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THE PLANETS

THE PLANETS. Mercury. Mercury has virtually no atmosphere. It however has small traces of an atmosphere . It takes less than 88 Earth days for Mercury to orbit around the sun which is it’s year.

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THE PLANETS

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  1. THE PLANETS

  2. Mercury • Mercury has virtually no atmosphere. It however has small traces of an atmosphere . • It takes less than 88 Earth days for Mercury to orbit around the sun which is it’s year. • Because of a lack of an atmosphere, the temperature rises above 800°F while on the dark side it falls rapidly to -300°F. • Mercury rotates slowly on its axis. It completes one rotation every 59 Earth days which is it’s day. • The surface of Mercury is heavily cratered, looking much like our moon. • Mercury does not have a natural satellite (a moon)

  3. Venus • Its atmosphere is made up mostly of carbon dioxide which causes a run away greenhouse effect and the planet is around 900 degrees F. It is the hottest planet. • It takes 243 days to make a rotation and it takes 224 days to orbit around the sun. This makes it’s day longer than it’s year • The planet rotates from East to West which is called retrograde rotation. • Venus does not have a natural satellite (a moon)

  4. Earth • It is made up of approx. 70% water • Only planet known to contain life • The densest planet • Day = 24 hours • Year = 365.25 days

  5. Mars • It is red because there is a lot of iron in the soil • Mars year= 687 Earth days. • Nighttime temperatures on Mars can drop as low as -191°F. • The thin atmosphere is made of mostly carbon dioxide. • Mars has seasons like Earth. • Mars has two moons

  6. Jupiter • It rotates faster than any planet making the days only 10 hours long. • It is the largest planet. • It has the biggest moon in the Solar System, Ganymede. • It has a ring • The great red spot is a storm that has been going on for over 300 years.

  7. Saturn • It has the lowest density of all the planets. • It has over 60 known satellites • It’s rings are made up of billions of pieces of rocks, ice and dust. • Titan is the only Saturn moon with an atmosphere.

  8. Uranus • Uranus is the coldest planet in the solar system. • It is tilted completely on it’s side so the equator runs north to south because of impact from an asteroid • It is the blue-green planet because of its methane gas • It has rings

  9. Neptune • Neptune is the stormiest planet • The planet has a system of thin dark rings • Neptune has 8 known moons

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