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Super cool picture of the moon and earth

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Super cool picture of the moon and earth

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Jupiter has some of the solar system's fastest winds.

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Jupiter has some of the solar system's fastest winds.

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He states that most initial big discoveries where mostly happy accidents, and that the evening star in the sky image from mars, which happened to be earth which gave astronomers incites that actually helped figure out our place in the universe. and that Saturn was the first discovered planet and it has crazy winds on the surface. and that Titan had an atmosphere and discovered microorganisms growing on its surface. this is what i got from the first part of the talk. the other titan part was from old research that i did a long time ago.

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Enceledus - thought to be a boring ice cube

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Enceledus - thought to be a boring ice cube

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Sometimes you may miss important things b/c your focus is somewhere else.

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Sometimes you may miss important things b/c your focus is somewhere else.

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Super cool description of Saturn and amazing way of describing the scientific process astronomers go through!

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Things I thought were interesting in the video

- Science usually happens by accidents

- We don't know how long a day on saturn is.

- We wanted to know about it so we sent a probe to explore.

- Icy rubber that's weird.

- Ice cube?

- Water shooting up from space? Crazy!

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Scientists don't know the length of a day on Saturn, because it is so complex.

Accidents in science can show us things we never would have otherwise known about or thought to look for!

Enceladus has fountains that change the magnetic field.

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The pictures have changed, and it seems like the moon has changed but its just the quality of the camera how odd.

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The realization that Satern's moon has water that shoots out from it is interesting because water is one of the key things necessary for a planet or moon to be habitable.

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Water flowing from a moon that is supposed to be frozen. (Enceladus)

Best chance of finding other life @Enceladus

Under-ice oceans on moons?

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It's interesting how he says that the universe loves to create planets and how some planets have running water underneath the frozen exterior.

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The idea of what may be habitable changed. Not just earth-like in habitable zone.

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Planets are common in the galaxy

Moons are common in our solar system, so we might assume they are common in other systems

Fermi paradox - where are all the aliens?

There are places where life outside of Earth could exist, and yet we don't see evidence of this life.

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We know there are places that life could exist, but we don't see any.

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I thinks its interesting that we could find other species but they might not be as intelligent as us.

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The icy moons could potentially sustain life, at least one also has salt water. It's interesting to see that more life could exist even within our solar system.

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WOW, ocean under ice. And possibly an entire ecosystem.

Interestingly, there could be life kind of anywhere; organisms can live everywhere if they evolve into the ecosystem.

I want to go into space, did you know with enough money, you can go into space for an hour or a couple of hours and then come back?

I would like to travel like Star Wars and build a spaceship-like Mandalorians.

We are technically aliens (Crazy to think, huh)

it's interesting how there are infinite amounts of ecosystems and planets.

Maybe it's like the Loki series, where they're the same but different, and there are ♾️possibilities.

He used a Star Wars reference, "Drinks that are blue"

I bet we are one of the dumb species cause we are killing our planet.

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interplanetary bath??? (i think i watched this video when i was 12 or something which is interesting.)

water from moon that should be frozen, ocean underneath? possible life forms on Enceladus? water spraying into one of Saturn's rings? highly possible ecosystems? other moons with possible oceans? Pluto oceans? aliens possibly????

we now know that there are more planets and even more probability of intelligent life? almost every star has a solar system.

finding what planets are possibly earthlike and also small moons with oceans. hundreds of billions of possible habitats on each moon in the milky way. (pretty much there's no chance that there is no other intelligent lifeforms on other planets)

we might be part of a "National Park" just waiting for something. and we have a super special place in the universe. and that life is not rare in the cosmos but intelligence is not. and we might have found a signal in space.

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We don't know the odds of life existing within certain conditions.

Life is common, but intelligence is rare.

What is radio astronomy? I'd like to do some extra research on this...

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It's interesting that Enceladus might have a ocean under its icy surface, I didn't know that moons could have oceans.

I wonder why moons are so common.

The Fermi paradox is a really interesting concept.

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A bath?

There is an ocean floor and the water for the "bath" was salty.

The E ring - one of saturn's rings

It is common to have large amounts of water trapped under icy caps.

The aliens would be inside of the planet? and they would wonder why we are on the outside of the planet?

Most of the stars we see at night have planets orbiting around them.

Fermi Paradox - Where are the aliens?

We have already won the cosmic lottery!

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life can be supported on these icy moons because the under of the ice is water and possibly life?

we could assume that moons are common elsewhere

astronomers think that the stars we see at night all have planets orbiting them.

fermi paradox; 'if life is common in the galaxy where are all the aliens?'

We know that there are places where life could exist but we don't see any evidence of life itself

maybe life is rare in the cosmos

maybe life is common but intelligence is rare

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1. The highest chance of life might not be a planet similiar to Earth with similiar conditions, but a moon smaller around a gas giant.

2. The Fermi Paradox. We don't know why there are no aliens, maybe once technology evolves humans will destroy themselves.

3. What is the chance that life starts on a planet, and if it does, what is the chance it will evolve into intelligent life?

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What proves that if there was smart life on the moons and pluto that they have advanced as far as us, or have astronomers for that matter? There is a chance that there is still a few million years and the other planets/moons are in the pre cretaceous period. It is also called the "Archean Eon". I do not know how to pronounce it but that is spelled right.

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Is it weird or no to name something Little Green Men just because of movies and a sterio type? Not only that but LGM1 and LGM2. And then you think that its natural not little green men. (I think that it would be funny to make height jokes if they are little) just curious. NOW WE ARE ON BLC WHAT IS WRONG WITH SCIENTISTS?

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I thought it was interesting how they immediately thought it was aliens but later found out it was just dead stars spinning and they were.... Relieved?

Their microwave was malfunctioning and was showing up as cosmic signals

Planets that are In front of the sun dim it's brightness and helps us see stars easier.

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Star noise I thought it was silent.

Scruff/wiggle is a very interesting way to describe it.

Technically, we are also aliens.

I wonder if Dead Stars still has aliens on it or if they died as well.

I want to go to the Milky Way and smell the weird smell.

I wonder if we have ever heard a call for help from a different life form. But never knew it.

I have taken apart a microwave before.

WHat is happening to the star, I love weird stars. From now on, this is my favorite star.

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Graph shows the brightness of the sun; which drops when a planet moves in front of the sun

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Jocelyn Bell Burnel discovered radio waves in space LGM-1 (Little Green Men 1) (actually remnants of stars)

Be careful with surprises in the cosmos

Cosmic signals accidently created with microwaves (peratons)

Breakthrough Listen (BLC-1) looking for alien radio signals

Where's the flux? star

Bits of comets - cometlets

Alien Solar Panels...?

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It's interesting that some fast radio bursts come from outside of the Milky Way.

It's also interesting that we can find new information about planets far away just by the brightness of their star.

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There's a planet that rains rubies. WOW!

STAR NOISE, scruff little squiggle in signal. pulsing noise. Pulsars were the culprits. THE DISH, LGM 1. sea of tranquility...

fast radio bursts, bursts of fats radio waves. different signals called paratons. they where not coming from the solar system. and not the milky way either. all exactly the same frequency. all happened around 12 o'clock. in australia. it was a microwave. :D

Proximus centauri. nearest star. 2019 saw a signal from proximus and was called blc 1.

MIGHT be aliens because it was lost. NOT. looked through data. was found throughout the sky. venus passes in from of the sun and the sun's brightness drops drastically. can be used to find planets around a star. WOW!

KIC, was a very interesting star, and could be a planet. a big one. but it stopped dipping. there was a HUGE dig randomly a year later. another years it flashed it seems. WTF star named. dust disk? no disk. perfectly normal, couldnt figure it out. Wheres the flux? comet in orbit around the star. broken into bits? comets only a couple km across. not possible. ALIEN MEGA STRUCTURE???!!! WOW!

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Fast bursts of Radio Waves - Some of them repeat. from different galaxies some from within milky way. different frequencies.

Paratox signals - Come from all over the sky. They are not coming from the solar system. all at the exact same frequencies. turns out it was a microwave.

BLC 1 - signal that may be aliens? maybe not.

When a planet passes in front of the sun, the brightness lowers.

Found a star whose light was fluctuating wildly. Named the WTF star.

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Interesting that their first thought was that it was an alien sending a signal.

I always love looking about pictures of the milky way, it's so pretty.

The Where's the Flux star is pretty interesting, I would love to learn more about it and what was happening.

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Star noise?

Scruff - The signal was pulsing - Little green men 1 and 2

The Dish? - It looks very pretty

Radio burst, this is what some people search for as their job.

Dead stars? I have never heard of that

They all happen around lunch time and they come from the whole sky and not from the Milky Way.

Paradox can be created by a microwave.

What is BLC and LCM?

Reverse engineer the signal

It's crazy that we can see some planets cross over the sun!!

A lot of science is just observing!

Alien solar panels?

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I thought the alien part was funny but also fascinating.

I wonder why aliens were the first thing that came to mind?

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Astronomers "may" have found aliens

Boyajian star - Where's the flux

Solid object is not blocking the light

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How did the graph show us that we weren't seeing alien solar panels, and rather that we were seeing a gas?

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Are planets consuming stars? Vice versa?

Is our solar system stable?

Earth is pulled by the gravity of other planets. Long-term calculations become difficult.

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How have we been stable for the last 4 billion years if models don't show stability of solar system moving forward?

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Venus should be Earth's twin, and yet it is very different

Sulphuric clouds and pressure

Very acid atmosphere

Hottest place in the solar system

Active volcanoes, without plate tectonics?

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I think it's interesting how he described ingestion and the fact that "maybe" they found aliens. Also I love how he says "maybe" and "might exist" and things like that because it shows us that they could be wrong and they're willing to admit that there's a chance they could be wrong.

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On Earth, only life (penguin poo) produces phosphine.

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On Earth, only life (penguin poo) produces phosphine.

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Life on Venus once upon a time?

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We can find penguins in space if we look in the right place...!

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Stars eating planets, how interesting.

I didn't know that Venus is so similar to Earth and yet it is still so different.

I love how they find penguins haha. Penguins in space would be so cool.

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May? They are unsure, I like how they are confident but are willing to learn about it.

The amount of dipping depends on color

Planetary ingestion?

Are we safe from the planets being eaten? 😨

The stars can feel the gravity

We should be ok, it has been stable. (Pheww) 😅

Poor Pluto it can be a major planet if it wants to

Venus should be earth's twin, oh thats cool

But you would melt if you were there

Phosphene - Penguin poo

Accidents?

Rippling through the galaxy.

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"May" have discovered. ALIEN SOLAR PANNELS.

lgoct telescope. Wtf star didnt catch on. crucial observation. non-solid object, NO SOLAR PANNELS??!! cloud of dust Infront of the star. one in a dozen stars "eat" their planets. binary stars, should be similar, twins. significant different, one is heavier than the other, explained by it eating a planet. are we safe as a planet? non stable orbit. jumpscare... car... our star is stable. earth is pulled by the other planets as well.

venus would fly off. (Fun Fact) the sun will eventually become a red giant and absorb the planets though. pluto is not a "norma" Planet, major planet. jupiter blocks incoming asteroids. venus is almost earthlike, and there's a glimpse of life in the upper atmosphere. no penguins. :(

last vestiges of a hospitable planet. could have been earth-like. but the planet warms up and kills everything but the upper atmosphere. (Fun Fact) around now 7 years from now there a 54% chance for a asteroid impact. a small galaxy collided with the milky way to create our system.

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A cloud of dust in front of a star whose light dipped unevenly.

Unsure if stars are consuming planets. Are we safe?

We are in a habitable area in the solar system so we are safe for now.

Phosphate in Venus

The only reason the Sun exists is because a small galaxy collided with the milky way 6 billion years ago.

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Could there be life on Venus if a chemical is only produced from life?

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It's fascinating that some stars can consume planets.

Venus is similar to Earth, and it's possible that it even has bacteria on it.

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One of the coolest moments in the video was seeing how scientists have identified planets outside our solar system, exoplanets. I always thought that planets had to be Earth-like or like our planets, but some exoplanets are just weird—like those with molten glass rain or with very high-speed winds. It's mind-blowing to consider that there can be planets that exist that are completely different from what we have ever seen. It makes you wonder what else has not been discovered.

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One mind-blowing thing was that black holes can literally "spaghettify" objects as they get close to them. Like, when a star gets close to a black hole, it stretches it out into a really long, really skinny shape—essentially like a piece of spaghetti. It's a bit frightening to consider, but really awesome. Space is just wild, and black holes are basically these gigantic cosmic monsters that just gobble everything in and around them.

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We may owe the Earth's existence to a particular collision with another galaxy.

There is both a historical and scientific story when exploring space.

Hubble launched into space in 1990.

Hubble was to get above the atmosphere enough to get really clear images of the sky.

A washer caused the blurred mirror.

CoSPA, fixing bits of Hubble with astronauts in space.

M100 Galactic Nucleus

Robert Williams did the simplest possible thing by pointing the telescope to the same place for 100 days. We could see 10,000 different galaxies.

The Early universe was full of fireworks.

JWST - Just Wonderful Space Telescope looks at the distant universe

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10,000 galaxy's to 4 stars... I only made it to 3.

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Why did we stop hypothesis thinking?

What would happen if one thing didn't happen, would we not exist?

Are we still making better telescopes?

Hubble is only a little sharper so we wasted millions of dollars on the telescope that doesn't work.

I wonder how they messed up so bad.

Those are awesome photos.

I love his accent.

accidental universe is a very interesting thing to think about.

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Accidents of us being here?

I am glad that we don't have dinosaurs now but I thought it would be cool to see an actual one.

The moon stabilizes our axis

Small galaxy collided to make the sun?

Hubble space telescope, had to try to get outside of the atmosphere

Crystal clear images of the sky would be so pretty.

The hubble looks almost worse that the ground one.

They kind of broke it ever so slightly.

Cospa looks cool. Very innovative.

So much better after the fix

Why would we point it at nothing?

After 100 hours there were so many galaxies.

JWST - WOW! I didn't know that it could look like that!

I love how he refers to them as fireworks.

We live in this accidental universe.

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It's impressive that the mirror on Hubble was the wrong shape, so they fit something like glasses on it.

It's fascinating that Hubble could essentially look into the past at distant galaxies.

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In the start of this, I was not critically thinking when I first wrote about a quality on a photo of the moon, then I started understanding and wanting to learn more, especially on the ocean under ice, I did more research and loved every minute. I also was intrigued that there is noise in space. How? and lastly, I wanted to know more and more, and am so grateful that this class has helped my curiosity about the universe.

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There is a historical story to tell on how we are on earth. the moon stabilizes our axis. Jupiter exists to protects us from asteroids. A collision with another galaxy made our solar system.

The hubble was launched in the 90s so that it can get crystal images of the sky. The mirror was inserted wrong so the images were blurred. astronauts fixed the hubble.

Robert Williams the director pointed hubble for 100 hours in that patch of sky and discovered the early universe.

We live in an accidental universe.

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The idea for Hubble to look into distance space is pretty cool.

It's interesting how they could fix the mirrors on the Hubble to get it to look correctly.

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To be completely honest, Astronomy has been a weird but fun ride for me the past couple of months. I was never really particularly interested in anything related to space or deep history regarding it; but after learning about so many different aspects of it, it has changed a bit. The Hubble was launched in 1990 to get images of the sky. The Hubble was launched for 100 hours.

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I thought it was really interesting how they said we might be here by accident. I wonder if that means we were supposed to be living somewhere else, like another planet. I also thought it was cool how there was a ratio of 10,000 galaxies to 4 stars!

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I'm not too sure off the top of my head!!

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I'm not too sure off the top of my head!!

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I do not know what these are, but I am excited to know what they mean.

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I do not know what these are, but I am excited to know what they mean.

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It is what we think is real and distance of our perception. :D

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I believe it has something to do with gravity but I am not entirely sure what it is completely

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I don't know anything about this.

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how something reacts to our way of physics, our systems pretty much.

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Einstein’s theory of special relativity says that time is connected to the speed of light. Essentially, time slows as you near light speed, and stops altogether at the speed of light.

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I sm not quite sure what this entails

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I'm not sure exactly what general relativity is!

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I don't know anything about this.

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Is this Einstein's theory of general relativity?

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I am not sure.

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From gathering informationfrom the video I've come to the conclusion that general relativity is the process of which deeply imagining scenarios and focusing on the points you know are correct, making you open your eyes to the possibility that nothing is what it seems at first glance.

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Einstein!!!

Insults to Einstein, that's so rude.

He didn't like his own theory?

A window washer falling

His pov gravity is the only force

Falling is the same as being in space (weightless)

The height of the light would be lower thats so interesting

But on earth you would think it is the same height but it is not.

Short paths or always curved.

Space is curved?

Very complicated math - even einstein couldn't figure it out.

Light always moves at the same speed!!

Clocks on earth are slower than in space.

"Space-time tells matter how to move.

Matter tells space-time how to curve."

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First proposed in 1905 by Albert Einstein

Inertial Reference Frames

Time Dilation and Length Contraction

Time passes differently for people depending on their reference frames

However, light always moves at the speed of light

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I don't believe we should ignore anyone or think they are false till we have all of the facts.

I would love to feel weightless in space.

Interesting, why would the light change so much?

Oh, like a runner taking the closest lane to round the corner because it is the fastest path. That's crazy.

That picture looks so complicated.

We are always "touching" gravity.

He probably thought he was the smartest person in the world (At the time)

I love seeing total eclipses so much.

I wonder if gravity was always or if it was created.

WOW!! Know I know what general relativity is.

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window washers fall, to find how gravity works via acceleration. he wanted toi see how someone would weigh the same at a certain acceleration. and how light would "bend" when accelerating in space. and "light must bend at the presence of the gravitational field" and how light acts at the presence of mass and matter. and that general relativity is gravity or an observation of light and mass, like i said. " spacetime tells how mass moves, and mass tells spacetime how to curve." they used mercury as a test. mercury's orbit was "weird to them" the new theory perfectly matched the prediction. but there were still many skeptics. and they used an eclipse to find the theory worked, and Einstein finally became famous. and they learn that gravity actually bends time and space, and gravity actually affects the clocks. so they need to adjust a way. and a black hole breaks down at the sight of a singularity which is infinite mass and density, which is theoretically not possible without quantum physics.

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What would a window washer experience as he was falling? Gravity would be the only force acting on him (free fall), similar to being weightless in space.

Gravity and acceleration are the same measurements, but he wanted to connect them.

Difference between gravity and acceleration?

Connection between gravity and quantum mechanics? (quantum gravity?)

"Light must bend in a gravitational field."

The shortest line is not straight.

Marcel Grossman and Riemannian Geometry

Space curvature/space-time

Speed = distance/time

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if the man would feel no weight when he falls from the window washer. The same way you would feel in space.

light bends in the presence of gravity.

Light takes the shortest path. Which is not a straight line.

gravity curves space.

spacetime tells matter how to move. matter tells spacetime how to curve.

mercury's ellipse orbits the sun.

speed = d/t

massive objects distort spacetime

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s=d/t

Winder washer falling

Same as floating in space

paths and space=curved

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light always moves at the same speed, which is why this is even there.

it explains the behavior of objects of insane speed. the laws of physical are always the same no matter what even on a train, the physics will be the same even in a vacuum. when it comes to light its always the same, the light reflected is the same even though its slow. that is time dilation. and gamma is the explanation of the it always has to be greater than 1. light is always the same even though one person is moving along or without, so time slows down for the other. in a matter of fact. when something moves it shrinks so small that you wont even notice it.

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Light always has to have the same speed like in the other video

Einstein again!!!!

Very very fast!!1

300 million meters per second

Light speed moves the same speed even though it moves a greater distance.

There was so much going on in this video and a lot of math! 🤯

There is a lot of information in this video! 🧠

Picometer - so tiny

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In a vacuum?

It is very counterintuitive.

Did Einstein create special relativity? Or did someone else?

This is hard for me to understand.

Yes, my brain hurts.

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time dilation is when time slows down according to you

length contraction is when something is moving, it appears shorter?

light always moves at the speed of light.

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time changes time dilation

speed is always constant

gamma always greater than 1

time is slower than moving reference frame

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I don't know what it exactly means, but I want to learn more about it.

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It seems that things are going faster for you.

Light always travels at the same speed.

Time seems to move differently depending where you are.

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The only reason the sun exists is because a small galaxy collided with the milky way about 6 billion years ago.

The Hubble Space telescope was the first great observatory and its whole point was to get out of earths atmosphere. It was designed to have the sharpest resolution but it was a disaster when it turned out that hubble's images looked like any telescope on earth.

We now know that the early universe is filled with fireworks.