Science Astronomy Essay: Moons of Jupiter

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Whether it is a full moon, a waxing crescent, or a new moon, many wonder what is out there. If there is more to the universe, than just Earth. The Moons of Jupiter are an unknown topic to many, and there are many interesting facts about it. Galileo Galilei, born in 1564 played a huge role in most of the science we know today, and it is because of him we are beginning to understand the moons of Jupiter. All these moons of Jupiter’s have their own reason as to which they stand out why. All in all, even though the moons of Jupiter’s are unknown to many, it is an important piece to connecting the puzzle in our universe.
Galileo Galilei was born in 1564, and was invested into science. Due to rumors in the year of 1609, about a Dutch who invented a device that zoomed in on distant objects (this was known as a spyglass earlier in the years, now its known as a telescope. He heard that a patent had been requested, but was not granted. There was a lot of value in this because the methods were kept secret, and this could be used in the military for Holland. Due to the rumors, Galilei was soon determined and driven to construct his own spyglass. Within 24 hours, only using his knowledge, experimentation, and pieces of the rumors, and never seeing the actual Dutch spyglass, Galilei soon found himself building a 3-power telescope. With some tweaks, he soon had a 10 power-telescope. From here, he demonstrated this it a Senate, and his salary was raised, and honored with proclamations. This shows how smart Galilei was, being able to construct his own telescope with nothing but his brain.
This however, was not the end of Galilei. As he was doing his nightly observations, one day he saw an object that many believed it w...

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...his moon. There is about half water ice and half rocky material, which consists of magnesium and other elements.


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