The Planets of Our Solar System HAnnah stroobosscher

Mercury

Mercury is the closest planet to the sun. The temperature on Mercury is 801 degrees fahrenheit. This planet is even hot enough to melt lead!

The gravitational pull on Mercury is 3.7m/s/s. Mercury has the lowest gravitational pull out of all the planets. The diameter of Mercury is 4,879 km. Mercury is the smallest planet. Mars is the second smallest planet and is 1915 km. bigger than Mercury.

There can not be life on Mercury because its so hot.

If you weighed 100 pounds on Earth you would weigh 37.8 pounds on Mercury.

Mercury has no atmosphere to protect it from the sun.

Venus

Venus is the second closet planet to the sun. It is a very hot planet and is 864 degrees fahrenheit. Venus is the hottest planet in the solar system.

The gravitational pull on Venus is 8.87m/s/s. Venus's gravitational pull is the closest to Earth, which is 9.807m/s/s. The diameter of Venus is 12, 104 km. Venus is the third smallest planet. Earth is only 652 km bigger than Venus.

Most astronomers believe that there will never be life on Venus.

If you weighed 100 pounds on Earth you would weigh 90.7 pounds on Venus.

Venus is the brightest planet in our solar system.

Mars

Mars is the fourth closet planet to the sun. The average temperature on mars is -67 degrees fahrenheit. The temperature high ever recorded on Mars was 68 degrees fahrenheit.

The gravitational pull on Mars is 3.711m/s/s. Jupiters gravitational pull is almost seven times the amount on Mars. The diameter of Mars is 6, 794 km. Earth is about twice the size of Mars.

There is a possibility that one day there could be life on Mars.

If you weighed 100 pounds on Earth you would weigh 37.7 pounds on Mars.

A regular year on Mars is 1 year and 687 days long.

Jupiter

Jupiter is the 5th planet from the sun and also the largest planet in the solar system. Did you know that 1,300 Earths can fit in one Jupiter? Jupiter is also the second brightest planet behind Venus. Jupiter is not a solid like all other planets it is made of gases. The gases that make up Jupiter are the same gases stars are made from. The average temperature is -234 degrees fahrenheit.

The gravitational pull on Jupiter is 24.79m/s/s. This is the strongest out of he whole solar system. Jupiters gravitational pull is more than double than of Saturn's. The diameter of Jupiter is 142, 980 km. Saturn is not far behind it at 120, 540 km.

There can never be life on Jupiter.

If you weighed 100 pounds on Earth you would weigh 252.8 pounds on Jupiter.

There is a red spot on Jupiter which is actually a hurricane that has not stopped for an extremely long time.

Saturn

Saturn is the 6th planet from the sun and is the second largest in the solar system. Saturn is the one of only planet that has a ring around it. The average planet on Saturn is -288 degrees fahrenheit. The diameter of Saturn is 120, 540 km and is more than 20 times bigger than Mars.

The gravitational pull on Saturn is 10.44m/s/s. This is the closest gravitational pull to Earth.

Saturn can not support human life.

If you weighed 100 pounds on Earth you would weigh 106.4 pounds on Saturn.

The rings around Saturn are made of ice.

Uranus

Uranus is the 7th planet from the sun and also one of the coldest planets. The average temperature is -288 degrees fahrenheit. Uranus is the third largest planet and the actual diameter is 51, 120km. Uranus is only 1590km bigger than Neptune.

The gravitational pull on Uranus is 8.69m/s/s. If you time 8.69 times three it is only a little bit over Jupiters gravitational pull which is 24.79.

There can never be human life on Uranus because of the extreme cold and because it is made of gases.

If you weighed 100 pounds on Earth you would weigh 88.9 pounds on Uranus.

It takes 84 years for Uranus to get around the sun once.

Neptune

Neptune is the farthest planet from Earth and is the coldest planet in our solar system. The average temperature on Neptune is -360.4 degrees fahrenheit. There is a 648.4 degree difference between Neptune and Saturn! The actual diameter of Neptune is 49, 530km. Neptune is almost 22 times bigger than Pluto, who's actual diameter is 2,300km.

The gravitational pull of Neptune is 11.15 m/s/s. Neptune's gravitational is 1.343m/s/s bigger than Earths, which is 9.807m/s/s.

There can never be life on Neptune due to the extreme cold also because its so cold water can not live on Neptune and humans can not live with out water, therefore there can never be life on Neptune.

If you weighed 100 pounds on Earth you would weigh 112.5 pounds on Neptune.

Neptune has 13 moons in total.

Earth

Earth is the third planet from the sun and the average temperature on Earth is 61 degrees fahrenheit. This temperature is closest to the average temperature on Mars. The actual diameter of Earth is 12, 756km. The closest diameter to Earth is Venus. Earth is 652km bigger than Venus.

The gravitational pull of Earth is 9.807m/s/s. Earths gravitational pull is closest to Saturn's which is 10.44m/s/s. Earth is only .633m/s/s smaller.

Earth is the only planet in our solar system that has human life that we know of. Mars is the only other planet that we found water on and other living life.

Earth is the only planet in our solar system that has water on its surface and is 93 million miles from the sun.

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