The Planet Jupiter Facts: Compare Size to All Other Planets

Mass of Jupiter

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Earth in Comparison to Jupiter. This is a depiction that shows you Jupiter's moons. This is not really scale, as its moons are much smaller than Jupiter in comparison. This shows all of the planets in size comparison. Jupiter is clearly the largest! Saturn is the next largest with Neptune and Uranus after that. Earth is very tiny in comparison to all of these.
Earth in Comparison to Jupiter.
Earth in Comparison to Jupiter. | Source
This is a depiction that shows you Jupiter's moons. This is not really scale, as its moons are much smaller than Jupiter in comparison.
This is a depiction that shows you Jupiter's moons. This is not really scale, as its moons are much smaller than Jupiter in comparison. | Source
This shows all of the planets in size comparison. Jupiter is clearly the largest! Saturn is the next largest with Neptune and Uranus after that. Earth is very tiny in comparison to all of these.
This shows all of the planets in size comparison. Jupiter is clearly the largest! Saturn is the next largest with Neptune and Uranus after that. Earth is very tiny in comparison to all of these. | Source

Jupiter's Spot

Jupiter, the fifth planet from the sun, is our solar system's largest planet. It is so large that it could fit one thousand Earth's. If we were to look through a telescope, we would see a large red spot on Jupiter's surface, which is actually one of its large unpredictable thunderstorms that surround the planet. That red spot alone is slightly larger than our entire planet. If we were on a jumbo jet, it would take us two to three weeks to travel around Jupiter, whereas on Earth it only takes us two days. It also revolves much more quickly than Earth, but its rotation around the sun is much slower taking twelve Earth years to complete the travel. Due to its large mass, it produces a heavy gravitational pull, which means a hundred pound woman would weigh two-hundred-sixty-four pounds on Jupiter's surface.

Jupiter's Spot

Jupiters images often show a spot on the surface, which is actually a huricane taking place.
Jupiters images often show a spot on the surface, which is actually a huricane taking place. | Source

Composition of Jupiter's Atmosphere

To the naked eye, Jupiter's atmosphere appears to be similar to that of Earth's, except the clouds are not white like ours are. They are multicolored, because of the many different chemicals that lie in the atmosphere. The atmosphere is comprised mostly of hydrogen, with helium being the next largest gas at 15 percent. Other gases found in the atmosphere include small amounts of ammonia, methane, acetylene, ethane, phosphine, and water vapor.

Unlike Earth, once you pass through the cloud layer, the planet becomes extremely hot. So hot, that we have not been able to see what Jupiter's terrain looks like. Whenever a probe has gotten close, we lose contact with it. This is mostly due to a large magnetic disruption Jupiter lets off. So much of what we know is about the atmosphere around Jupiter, and it is believed that the planet is a mass of gases rather than a solid mass to land on.

Jupiter's Moons

Jupiter has 62 moons, unlike our planet that only has one. Jupiter's 4 biggest moons are named Europa, Ganymede, Callisto and Io.

Io, pronounced eye-oh, is as big as our moon. During one probe's trip to Jupiter, the probe detected a very active volcano on the moon's surface.

The moon Callisto is much more pockmarked than the other moons, making it much duller than the rest.

Europa is a very arctic place made up of ice, containing many cracks along its surface. Due to the massive icy atmosphere, it is believed that there is more water in the form of ice on the surface of Europa than on our entire planet. Some believe that there might even be life on the Europa due to its water content.

The discovery of these moons caused scientists to realize that the Earth was not the center of the universe, as previously believed. When they realized that these moons were circulating around Jupiter, scientists realized that each planet had their own gravitational pull. This allowed them to realize that it was a possibility that the Earth was not the center.

Image of Jupiter

This is a full view of Jupiter and its atmosphere.
This is a full view of Jupiter and its atmosphere. | Source

A Space Vacuum

Being so large, one would assume the rotation would be slower than the Earth. In actuality, Jupiter rotates very rapidly. So quickly that one day here is equal to ten hours there. That means, if you were to stand on one spot of Jupiter, the sun would rise every ten hours. This is the shortest day of all the planets. Its fast rotation and its massive size cause it to behave like an outer space vacuum. Debris that flies loose in our universe finds its way to Jupiter.

It is believed that if Jupiter did not exist, we would be hit by comets once every couple of years. There was proof of this in 1994, when the Comet Shoemaker-Levy 9 crashed into Jupiter. If it would have hit Earth, it would have been catastrophic resulting in the end of entire continents. It may have also pushed us off our natural gravitational pull putting an end to all civilization on Earth. When looking at Jupiter, the equator appears to be bulging out with a diameter of 142,984 km. The bulge is most likely a consequence of the fast rotation and the vacuum type pull.

Jupiter is just one of our many planets in our universe, yet it might be one of the most important, as it acts like a vacuum protecting the rest of the planets in our solar system.

Jupiter's Moon Europa

© 2012 Angela Michelle

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Comments 10 comments

angela_michelle profile image

angela_michelle 4 years ago from United States Author

Your welcome. I love science! I am a geek like that.


ken blair profile image

ken blair 4 years ago

I just learned something scientific! Science is an interesting topic to talk about. Thanks for sharing it here!


angela_michelle profile image

angela_michelle 4 years ago from United States Author

Thank you Goodlady! I'm glad to be on the same team as you.


angela_michelle profile image

angela_michelle 4 years ago from United States Author

wilderness, I actually had heard that as well. I wonder if it will someday become like a sun.


GoodLady profile image

GoodLady 4 years ago from Rome, Italy

Wow. What a great read. I know so very little about our amazing planets so this was a superb piece of information on fantastic Jupiter! So nicely written, thanks. And about the moons around it. Great way to start my new day as part of the team.


wilderness profile image

wilderness 4 years ago from Boise, Idaho

I have Jupiter called a "failed sun" because of it's massive size and make up of mostly hydrogen. It's a truly fascinating planet, more so than the jewel of our system, Saturn.


angela_michelle profile image

angela_michelle 4 years ago from United States Author

Ahhh, you just taught me something! Thank you!


Cow Flipper profile image

Cow Flipper 4 years ago from Southern Oregon

He is correct, in our solar system it is the largest Jovian or gas planet. Nice hub Angela_michelle. Can't wait to work with you since we are on the same team. :)


angela_michelle profile image

angela_michelle 4 years ago from United States Author

Thank you for the correction, I will make sure to correct that. :)


scottcgruber profile image

scottcgruber 4 years ago from USA

Good summary! One correction, though - Jupiter is not the biggest planet in the Milky Way, just in our solar system. Planets much larger than Jupiter have been discovered orbiting other stars.

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