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1.gravity is weak
2.Lemaitre and hubble
3.spectra for all three galaxies is shifted towards the red end of the visible light spectrum

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red shift is a receding galaxies
galaxies are mov ing away from us

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1. why are galaxies moving away from us?

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galaxies are moving away from each other.
according to the big bang theory, everything started out as a tiny dense singular thing.
The farther things expand, the faster they expand.

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1. Gravity is both a theory and a law
2. The universe is 13.7 billion years old
3. Gravity is weak

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1. The Redshift
2. Galaxies move away

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1. How scientist find out this information about galaxies and the universe

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Gravity is weak
The universe is expanding
Redshift

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Earth is over 13 -15 billion years old . The earth is expanding . And last one gravity is weak .

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Earth is over 13 -15 billion years old . The earth is expanding . And last one gravity is weak .

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1 galaxies are red shifted moving away.
2 all galaxies are moving away from us.

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Redshift
Universe expansion

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1. the more mass you have the more energy you have.

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1. the more mass you have the more energy you have.

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2. Early universe was made out of hydrogen and helium.
3. Universe is expanding.

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why the galaxies are moving away

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1.Without gravity there would be no universe

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1.Without gravity there would be no universe

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2.A lot of galaxies are moving away from us.
3.Hubble's law is what helps us understand the red shifting galaxies.

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1. Gravity is weak 2. there's still gravity in space just no air 3. The big bang theory- Eric C.

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1. the red shift
2. Gravity is a theory and  a law -Eric C.

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1. The redshift
2. As each day passes the universe is expanding faster and faster each day .

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redshift
gravity is weak

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One thing I don't understand is why are we expanding the way we are why are we expanding at all ?

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How are the planets still moving away? -Eric C.

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How did they find out galaxies are expanding?

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1 the universe is expanding at an increasing rate.

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1 the universe is expanding at an increasing rate.

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2 the start of the universe was a singularity that exploded and continues to expand.
3 singularity is super dense , hot mass,

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1.Red shift
2.Hubble's law

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1. The universe is expanding
2.  Early universe was made up of hydrogen and helium.
3.  Everything is structured from biggest to smallest.

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1. Universe is 13.7 Billion years old
2.The Redshift
3.Gravity is weak

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1.Gravity is weak.
2. Universe is made out of 100 billion galaxies

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1.How is the universe still expanding, and how do we have all of the matter to do this?

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1. The redshift
2.Gravity is weak

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1: red-shift indicates something is farther away
2: that's about it
3: i've taught myself these things in the past

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Is there more galaxies than the ones they´ve discovered

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1. hubbles law
2. the red shift
3. The Big Bang Theory

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How did scientists

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the early universe was made of mostly hydrogen and helium

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the early universe was made of mostly hydrogen and helium

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gravity is a weak acting Force

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i think that i can get the gist of everything we've learned so far

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how long will the planets be moving and expanding until they combust

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how long will the planets be moving and expanding until they combust

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The big ban

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The universe is expanding faster and faster.

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The universe is expanding faster and faster.

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Everything was together at one point.
Who Hubble was.

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1. The redshift
2. Hubbles shift

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The universe is expanding faster and faster.

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The universe is expanding faster and faster.

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Everything was together at one point.

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Why are galaxies moving away from us

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it is expanding away from us
everything was toghether at one point

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the big bang happened 13.7 billion years ago
all galaxies are moving away from us

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hubbles shift

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1.The universe is expanding rapidly.
2.Gravity pulled the planets and stars to where they are now.
3.The big bang theory is not completely understood.

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I didnt think gravity was weak
and that there is going to be another big bang.

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1. The universe was compacted into one at one period in time.
2. The theory is new to me.

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i learned what a nebula is

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Why dont we have commercial space flight.

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Why dont we have commercial space flight.

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a new thing to me is hubble's law

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i don't understand why the stars explode like for what reason

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I don't understand where the heck people came from. Its like we came out of nowhere.

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1.the big happened 13.7 billion years ago

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1.the big happened 13.7 billion years ago

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2. Galaxy is moving away from us

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2.the Hubble shrift

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the universe is 13.6 billion years old

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1.hubble law
2.gravity is weak

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Gravity is weak
Hubbles law
Universe is expanding
Josh.c

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galaxies moving away

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Hubbles law
the universe is 13.6 billion years old

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Hubbles shift

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red-shift of light, gravity is weak, the galaxy is moving away from us.

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red-shift of light, gravity is weak, the galaxy is moving away from us.

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galaxy is expanding
gravity is weak

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gravity is a law and a theory

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gravity is weak smh
go lift some weights bro weakling

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galaxies move away like come on man we are going to miss you

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how come we havent found large amounts of life forms in other planets

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1. Big Bang rapidly expanded universe
2.  Energy turned into matter when it cooled
3. Galaxies are moving away from us

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1. Knew how galaxies formed
2. Super clusters exist

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1. Will the universe ever stop expanding

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The big bang theory was how the universe was made
The universe is expanding at an increasing rate
13.7 billion years ago

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and the galaxies are red shifted

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Red shift
13.7 billion years ago

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gravity is weak
the galaxy is moving away from us
a tiny little mass cause the Big Bang .

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hubbles laws
that the Galaxy is moving away from us

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why is the galaxy moving away from us could their be a bigger force of gravity pulling them closer than what we have.

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that the galaxy are moving away from us