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All the four seasons are summer, winter, autumn, and spring. The four seasons are caused by Earth moving in an axis. After time, the Earth orbits around the sun.

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All the four seasons are summer, winter, autumn, and spring. The four seasons are caused by Earth moving in an axis. After time, the Earth orbits around the sun.

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https://www.almanac.com/content/first-day-seasons
https://www.nbc15.com/content/news/When-does-Spring-actually-arrive-475625523.html

https://www.weather.gov/fsd/season

BY carson wang

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By Katelyn Aguiniga
Seasons are as old as the earth. Spring is when the plants begin the plants begin to grow. Summer is the hottest time of the year. In the Winter, it is cold and sometimes dark. During Fall, the days get shorter and leaves fall off the trees.
https://www.intel.com/content/dam/www/program/education/us/en/documents/project-design/seasons/seasons-psample.pdf https://kidsgeo.com/geography-for-kids/the-four-seasons/https://www.livescience.com/25202-seasons.html

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The sun is the source of out natural sunlight.  The sun is a star.  It’s a ball of hot glowing gases at the heart of our solar system.  The temperature at the sun’s core is about 27 million degrees Fahrenheit. Average diameter: 864,000 miles, about 109 times as big as earth.  Without the sun, there will be on life form on earth

https://www.nasa.gov/sun

https://higherlogicdownload.s3.amazonaws.com/AGU/56696359-6a73-4689-ab00-0f5050d9fc0f/UploadedImages/TESS2018/sun3-300.jpg

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        The Moon
                        By Paul Bartels
                           The first unmanned mission to the Moon was in 1959 by the Soviet Lunar Program with the first manned landing being Apollo 11 in 1969. The Moon is approximately 3.8 cm from our planet every year. It is estimated that it will continue to do so for around 50 billion years.  Lunar astronauts used seismographs on their visits to the Moon, and found the small moonquakes occur several kilometers beneath the surface, causing ruptures and cracks. Scientist think that the Moon has a molten core, just like Earth. 



Sources I used
https://www.space.com    
https://space-facts.com 
https://www.space.com/11162-10-surprising-moon-facts-full-moons.html 

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        The Moon
                        By Paul Bartels
                           The first unmanned mission to the Moon was in 1959 by the Soviet Lunar Program with the first manned landing being Apollo 11 in 1969. The Moon is approximately 3.8 cm from our planet every year. It is estimated that it will continue to do so for around 50 billion years.  Lunar astronauts used seismographs on their visits to the Moon, and found the small moonquakes occur several kilometers beneath the surface, causing ruptures and cracks. Scientist think that the Moon has a molten core, just like Earth. 



Sources I used
https://www.space.com    
https://space-facts.com 
https://www.space.com/11162-10-surprising-moon-facts-full-moons.html 

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The moon is the fifth largest moon in the solar system. It is the largest and brightest object in the night sky. The moon was probably formed when a Mars sized body collided with the earth. The moon was formed  4.6 billion years ago. The tides on earth are caused by the moon. If you are on the moon, you would weigh a lot less.

Solarsystem.nasa.gov

Space-facts.com

nineplanets.org

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As the seasons changes, so do the colors of the leaves of the deciduous trees. Deciduous means that these plants lose their leaves every year and grow them back. The four seasons happen because of the tilt of the Earth's axis. ... The angle of the Earth's axis tilts the Northern Hemisphere towards the sun during the summer.
websites:
www.mbgnet.net/sets/temp/seasons.htm
https://www.livescience.com › Planet Earth

www.mbgnet.net/sets/temp/seasons.htm

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It is the closest star to the earth. Itś type is one of the most common in the sky. It produces energy and light that keeps us warm. The sun has a diameter of 863,482  miles. The sun is also very hot. It is 10,800 degrees fahrenheit on its surface. The sun rises along the eastern horizon and sets somewhere in the west.

physics.weber.edu

Eo.ucar.edu

http://www.seasky.org

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The Moon

The moon is a dusty ball of rock, and is 3,476 Km in diameter.  It is home to craters, mountains, and large plains.    And it also has “seas” of lava. We only see the moon because it reflects light from the sun.  When the sun hits the moon’s surface, it can get up to 127 degrees celsius!   But when the sun does not, it can be -153 degrees celsius!!! https://www.natgeokids.com/au/discover/science/space/facts-about-the-moon/

https://www.coolkidfacts.com/moon-facts-for-kids/

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The moon is the second brightest star  and the fifth biggest moon in our solar system. The moon is earth's only natural satellite. It was formed about 4.6 billion years ago around 30-50 years after the solar system was formed. The surface temperature is -233 to 144 celsius.

Websites used:
1. https://solarsystem.nasa.gov/moons/earths-moon/overview/
2. https://spa
ce-facts.com/the-moon/
3. https://nineplanets.org/luna.html
picture:

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The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma, with internal convective motion that generates a magnetic field via a dynamo process. It is by far the most important source of energy for life on Earth.
https://spaceplace.nasa.gov/menu/sun/
https://en.wikipedia.org/wiki/Sun

solarviews.com/eng/sun.htm

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Sun

The sun is the hottest object in the world. The sun is a star.Over one million Earths could fit inside the sun.The sun is almost a perfect sphere.The sun is 4.603 billion years old.The Sun is the star at the center of the Solar System.It is by far the most important source of energy for life on Earth.

https://space-facts.com/the-sun/

https://theplanets.org/the-sun/

https://www.universetoday.com/17982/10-interesting-facts-about-the-sun/

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BY callie ho
The moon is the second brightest star  and the fifth biggest moon in our solar system. The moon is earth's only natural satellite. It was formed about 4.6 billion years ago around 30-50 years after the solar system was formed. The surface temperature is -233 to 144 celcius.
Websites used:
1. https://nineplanets.org/luna.html
2.https://en.wikipedia.org/wiki/Moon
3.https://space-facts.com/the-moon/
Picture;

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The Black Holes by michael Dasca

WEBSITES

1.https://www.nasa.gov/audience/forstudents/k-4/stories/.../what-is-a-black-hole-k4.html

2.https://www.astrosociety.org/education/.../black-holes-an-introductory-resource-list/

3.https://www.nationalgeographic.com/science/space/universe/black-holes/

Sentences

Black holes are like a place in space where it is able to suck up anything such as stars, satellites, and even planets.  So what if earth encountered a black hole. My hypothesis is that it will destroy earth by sucking it up. Well, it’s a good thing that they are really far, far, away from us. This is what I think about black holes.

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The moon is the second brightest thing in the solar system. It has a diameter of  3476 km, it is also important to earth, because at night is dark the moon give moonlight. It take 1 month to orbit around earth, and every time the angle change.

https://nineplanets.org/luna.html

https://solarsystem.nasa.gov/moons/earths-moon/overview/

https://space-facts.com/the-moon/

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Moons

Each planets has its own amount of moons. Jupiter has 67 moons, Saturn has 62 moons, mars have two moons, Earth has 1 moon, Mercury also have two moons, Neptune has 14 moons, Uranus has 27, and Venus has no moons.

https://www.enotes.com/homework.../how-many-moons-does-each-planet-have-289486
https://space-facts.com/the-moon/
https://io9.gizmodo.com/is-the-moon-a-planet-1064356920

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The Four Seasons                                                              By : Liuyu Hou

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The Four Seasons                                                              By : Liuyu Hou

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The four seasons winter, spring, summer, autumn can vary significantly in characteristics, and can prompt changes in the world around them. The seasons are defined as spring, summer, autumn, and winter. The spring starts in March, then April, and ends in May. Summer starts in June, the July, and ends in August. Autumn starts in September, then October, and ends in November. Winter starts in December, then January, and ends in February .

Websites: https://www.google.com/search?q=the+four+seasons&rlz=1CAHPZS_enUS817&oq=the+four+se&aqs=chrome.0.69i59j69i57j0j35i39j0l2.3221j0j7&sourceid=chrome&ie=UTF-8&safe=active&ssui=on https://www.livescience.com/25202-seasons.html http://www.raintoday.co.uk/information/about_raintoday_premium?t=1288022790

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By:Eiji Deetan

Black Holes

Black holes are very interesting in space.There are four types of black holes, stellar, intermediate, supermassive, and miniature.The most common black hole is the Stellar death, if a Supernova happens,thousands of black holes will lurk in our galaxy.The black holes force is so strong that light that goes in can’t come out.The event horizon is where physics goes crazy. ... A singularity is what all the matter in a black hole gets crushed into, that is what is inside a black hole.You probably won’t get to see what is inside a black hole because you will be torn apart before you get to the event horizon, but if you pass it then you will see just black.

http://astronomy.swin.edu.au/cosmos/B/Black+Hole

https://www.nationalgeographic.com/science/space/universe/black-holes/

https://science.nasa.gov/astrophysics/focus-areas/black-holes

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By Katelyn Aguiniga
There are 4 seasons that pass every year. They are spring, summer, winter, and fall which some people also call autumn. The cycle of seasons is caused by Earth's tilt toward the sun. My favorite season:spring, begins around the 21st of March and ends around the 21st of June.
https://study.com/academy/lesson/seasons-of-the-year-lesson-for-kids-definition-facts.html
https://www.timeanddate.com/calendar/aboutseasons.html
https://www.livescience.com/25202-seasons.html

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The seasons are also created by the rotation of earth that gives the year.  During the winter time sun’s rays hits the the Earth at an Extreme angle so the days are very short.  The four seasons are spring, summer, autumn also called fall, and winter.

Websites used:

https://kidsgeo.com/geography-for-kids/the-four-seasons/

https://www.timeanddate.com/calendar/aboutseasons.html

https://www.livescience.com/25202-seasons.html

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 The Sun                                                         By: Liuyu Hou

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 The Sun                                                         By: Liuyu Hou

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The sun contains 99.86% of the mass. The mass of the sun is approximately 330,000 times greater than that of Earth. It is almost three quarters Hydrogen most of the remaining mass is Helium. The sun is 4.6 billion years old The sun was created because of formation. The sun formed about 4.6 billion years ago from the collapse of part of a giant molecular cloud that consisted mostly of hydrogen and helium. \

Websites: https://www.google.com/search?q=the+sun&rlz=1CAHPZS_enUS817&source=lnms&sa=X&ved=0ahUKEwjx7Jzc8obgAhWPFTQIHWxeBR4Q_AUICSgA&biw=1517&bih=751&dpr=0.9&safe=active&ssui=on  ttps://solarsystem.nasa.gov/solar-system/sun/overview/  https://nineplanets.org/sol.html

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What is the moon?BY:Michael Dasca

Now you might be wondering, what is the moon and what does it do?The moon is a bright and huge ball that you would see in both the day and the night time. It is easier to see it in the night time though because it is closer to the earth and is very bright in the night time. The sun and the moon create tides which are gravitational pulls and when the moon is pulling on the oceans the sun is pulling it back. However the moon creates bigger waves than the sun because it is much closer to us than the sun. Our moon however rotates our earth and so do we. And so the tides change each day by 50 minutes a day.

1.https://wonderopolis.org/wonder/what-does-the-moon-do

2.https://io9.gizmodo.com/is-the-moon-a-planet-1064356920

3.https://space-facts.com/the-moon/

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Ada Chang

Black holes are the points in space that are so dense they create deep gravity sinks. Beyond a certain region, not even light can escape the powerful tug of a black hole's gravity.At the center of our galaxy, a super massive black hole churns. Because black holes swallow all light, astronomers can't spot them directly like they do the many glittery cosmic objects in the sky. But there are a few keys that reveal a black hole's presence. Black holes are also messy eaters, which often betrays their locations. Scientists think that ever since the universe began it is when the black hole also began.

Websites

https://www.nasa.gov/audience/forstudents/k-4/stories/nasa-knows/what-is-a-black-hole-k4.html

https://www.nationalgeographic.com/science/space/universe/black-holes/

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The Moon                       By: Liuyu Hou

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The Moon                       By: Liuyu Hou

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The Earth is The Earth’s only natural satellite, and is the fifth largest moon in the Solar System. If we did not have the moon, the oceans of the world become much calmer. The sun still has an effect on them known as solar tides.

Website: https://nineplanets.org/luna.html https://www.google.com/search?q=the+moon&rlz=1CAHPZS_enUS817&oq=the+moon&aqs=chrome..69i57j69i61l2j0l3.3217j0j7&sourceid=chrome&ie=UTF-8&safe=active&ssui=on  ttps://solarsystem.nasa.gov/moons/earths-moon/overview/

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The Sun by:Michael Dasca

The Sun is a big star that is the center of the solar system. It is  very hot and is basically the warming of our planet earth. Sometimes it would be too warming especially in the summer.. The sun is a star that the earth orbits. We should really thank the sun because it is the warmth of the earth. The sun is the biggest thing in the solar system. If we didn’t have the sun by our side, we could freeze to death.

1.https://nineplanets.org/sol.html

2.https://wonderopolis.org/wonder/what-would-earth-be-like-without-the-sun

3.https://www.space.com/58-the-sun-formation-facts-and-characteristics.html

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By Katelyn Aguiniga
Did you know the Sun is a star? The Sun is the largest object in our solar system. The Sun has been around for about 4.6 billion years.
https://spaceplace.nasa.gov/sun-compare/en/https://www.space.com/58-
https://nineplanets.org/sol.html
the-sun-formation-facts-and-characteristics.html

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By; Callie ho
The sun is a star in the center of the solar system. The sun is the most important in our solar system.The us provides energy, light, and heat for us. The sun is the biggest object and the hottest. The surface temperature of the sun is 5,778 k.

Websites used:

1.https://www.space.com/58-the-sun-formation-facts-and-characteristics.html

2. https://www.ducksters.com/science/sun.php

3.https://www.nationalgeographic.com/science/space/solar-system/the-sun/

Picture:

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The sun is the largest object in our solar system, it has a diameter of  1390,000 km. The sun is mostly made of hydrogen, it is also the most important star in our solar system. The sun is 4.5 billion years old.

https://www.nationalgeographic.com/science/space/solar-system/the-sun/

https://nineplanets.org/sol.html

https://www.space.com/58-the-sun-formation-facts-and-characteristics.html

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The seasons are also created by the rotation of earth that gives the year.  During the winter time sun’s rays hits the the Earth at an Extreme angle so the days are very short.  The four seasons are spring, summer, autumn also called fall, and winter.

https://kidsgeo.com/geography-for-kids/the-four-seasons/

https://www.timeanddate.com/calendar/aboutseasons.html

https://www.livescience.com/25202-seasons.html

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If you didn’t know what the moon was. The moon is the fifth largest moon in the solar system. The moon is the brightest and the largest object in your sky during the night.  Scientist believe that the moon was created after a Mars-sized body collided with Earth and it was formed over 6 billion years ago some were even formed around 30–50 million years after the formation of the solar system. The moon is what makes Earth more of a livable planet by moderating our home planet's wobble on its axishttps://solarsystem.nasa.gov/moons/earths-moon/overview/https://space-facts.com/the-moon/

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What is the moon?BY:Michael Dasca

Now you might be wondering, what is the moon and what does it do?The moon is a bright and huge ball that you would see in both the day and the night time. It is easier to see it in the night time though because it is closer to the earth and is very bright in the night time. The sun and the moon create tides which are gravitational pulls and when the moon is pulling on the oceans the sun is pulling it back. However the moon creates bigger waves than the sun because it is much closer to us than the sun. Our moon however rotates our earth and so do we. And so the tides change each day by 50 minutes a day.

1.https://wonderopolis.org/wonder/what-does-the-moon-do

2.https://io9.gizmodo.com/is-the-moon-a-planet-1064356920

3.https://space-facts.com/the-moon/

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By Katelyn Aguiniga
The Moon is the second brightest object in the sky right after the Sun. Did you know the Moon moves 3.8 centimeters away from the earth every year? Neil Armstrong was the first man on the Moon.
https://www.nasa.gov/audience/forstudents/k-4/stories/first-person-on-moon.html
https://space-facts.com/the-moon/
https://nineplanets.org/luna.html

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By:Hazel Martinez         3 websites: https://earthsky.org/earth/can-you-explain-why-earth-has-four-seasons

https://spaceplace.nasa.gov/

http://www.primaryhomeworkhelp.co.uk/time/seasons.htm

Why Do We Have The Four Seasons?

In many parts of the world, the year is made of 4 seasons which are summer, winter, spring, and autumn. My favorite season is summer because you go to the beach or pool and eat ice cream. We have the 4 seasons because it is the most important reason why seasons occur.

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The sun is the largest object in our solar system, it has a diameter of  1390,000 km. The sun is mostly made of hydrogen, it is also the most important star in our solar system. The sun is 4.5 billion years old.

https://nineplanets.org/sol.html

https://www.space.com/58-the-sun-formation-facts-and-characteristics.html

https://www.nationalgeographic.com/science/space/solar-system/the-sun/

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         The  Four Seasons                                   By Paul BartelsThe four seasons are Spring, Summer, Fall, and Winter. We have hot summers and cold winters because of the Earth's Axis. When the Earth is tilting more towards the Sun we get the season Summer. When the Earth is tilting away from the sun we get Winter. When the axis is not tilted toward or away from the sun. During these times of the year, the hemispheres experience spring and autumn.Sources I usedIf you want to know the sources I used then these are the ones, https://www.livescience.com/25202-seasons.html, https://www.thoughtco.com/the-science-and-weather-of-winter-spring-summer-and-fall-3443722 

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         The  Four Seasons                                   By Paul BartelsThe four seasons are Spring, Summer, Fall, and Winter. We have hot summers and cold winters because of the Earth's Axis. When the Earth is tilting more towards the Sun we get the season Summer. When the Earth is tilting away from the sun we get Winter. When the axis is not tilted toward or away from the sun. During these times of the year, the hemispheres experience spring and autumn.Sources I usedIf you want to know the sources I used then these are the ones, https://www.livescience.com/25202-seasons.html, https://www.thoughtco.com/the-science-and-weather-of-winter-spring-summer-and-fall-3443722 