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The Solar System by Jacob Wetherington
Transcript of The Solar System by Jacob Wetherington
Mercury takes 58 Earth days to make a rotation on its axis, 88 Earth days to make a revoultion.
Orbit ranges from 40 million km to 70 million km.
Temp. can vary from -279 * F on the dark side to 801*F on the exposed side.
The atmosphere of Mercury is composed of sodium, helium, hydrogen, and oxygen.
The sun appears 2.5 times bigger on Mercury.
Mercury moves through space at 50 km per second. Mercury's
Surface Saturn THE SUN 6,052 km at its widest point.
Venus takes 243 Earth days to rotate on its axis, and 225 to make a revolution.
Only planet to orbit backwards (clockwise, not counter-clockwise).
Constant temp. on the planet is 864 * F, this is caused by a runaway greenhouse effect.
The atmosphere is composed 96.5% by Carbon Dioxide ( a contributor to the runaway greenhouse effect).
The mass of Venus' atmosphere is 90 times that of Earth's, equivalent to being 1 km under the ocean.
Venus has no moons, if it did, the Sun's gravity would steal them away.
Until spacecraft landed on Venus, scientists thought Venus was a tropical planet. They did not know what was under the clouds. Picture taken by the Venera 7 space probe 6,378 km. at Equator.
Earth takes 24 hours to rotate on its axis, 365.2564 days to make a revolution.
Temp. is consistent enough to sustain life.
Atmosphere is a mix of gases(Oxygen, Helium, Nitrogen, etc.) and extends 10,000 km,=. above the planet.
Earth is 32.1% Iron, 30.1% Oxygen, 15.1% Silicon, and 13.9% Magnesium.
Only planet known to sustain life.
Mount Chimborazo is the farthest object away from the core.
Earth only has 1 moon, but we also have 2 asteroids in a co-orbital orbit. Chimborazo, the farthest object from the center of the Earth 3,476 km. at its widest.
The Moon takes 27.3 Earth days to rotate on its axis, 27.3 days to make a revolution.
Temp. ranges from 243*F on the bright side to -272*F on the dark side.
Has no atmosphere at all.
The Moon is the only object that man has ever visited in space.
Surface is covered with "Regolith", which is fine dust and rocky debris(both formed by meteors).
If you wayed 100 lbs on Earth you would be 17 lbs. on the Moon. The surface of the Moon from the Apollo 17 landing site 3,396 km. at widest point.
Mars takes 24.6 hours to rotate on its axis, 687 Earth days to make a revolution.
Temp. ranges from 23*F to -125*F.
Olympus Mons, in the Tharsis Montes region, is the tallest mountain in the Solar System.
The largest canyon on Mars would stretch from N.Y to L.A.
Mars has a diameter half Earth's, but its mass is only 10% that of Earth's. Olympus Mons, the biggest mountain in the Solar System 139,822 km. at widest point.
Jupiter takes 9.9 hours to rotate on its axis, 12 years to make a revolution.
Temp. is a constant -234*F.
Winds in the atmosphere blow at speeds of 620 km. per hour; the fastest in the Solar System.
Jupiter's core is comprised of rock and metal, and is about the size of Earth.
Jupiter has 50 moons, plus 16 potential ones.
1,400 Earths could fit inside Jupiter.
Jupiter is the largest planet; it weighs 300 times more than Earth and 2 times more than all of the planets combined. Jupiter's four largest moons to scale 116,464 km. at widest point.
Takes 10.7 hours to rotate on axis, 29 years to make a revolution.
Average temp. is -288*F.
Saturn's atmosphere is made of hydrogen, helium, and small amounts of methane.
There is a vast hydrogen liquid ocean below clouds; formed because as pressure increases helium and hydrogen can't stay in gaseous form.
Saturn's rings made of roughly 1,000 smaller ringlets.
Saturn has 62 moons and 100's of moonlets (a satellite too small to be called an actual moon). A color-enhanced image of Saturn's rings taken by Voyager 1 Diameter of 51,118 km.
Uranus takes about 17 hours to rotate on its axis, 84 years to make a revolution.
Average temp. is negative -356*F.
The atmosphere of Uranus is composed of primarily Hydrogen and Helium, with trace amounts of Methane.
Uranus has 27 moons and 10 rings.
With its large rocky core and tremendous pressure; scientists think that there could be trillions of large diamonds on Uranus.
Scientists think that an Earth-sized object knocked Uranus on its side.
Uranus rotates on its axis at a 97 degree angle. Image of Uranus's rings taken by Voyager 2 49,244 km. at widest point
Neptune takes 16.11 hours to rotate on its axis, 164 years and 288 days to make a revolution.
Average temp. is -353*F
Atmosphere made of hydrogen and methane.
Neptune has 13 moons.
Neptune was discovered with math before it was spotted by telescope.
Voyager 2 is the only spacecraft to have ever visited Neptune.
A picture of Neptune's rings taken by Voyager 2