Moons of Jupiter

ocean, and the Moon’s phases influences our calendar. The Moon takes about 27.3 days to orbit around the Earth. The light that the Moon gives off is only a reflection of the Sun’s light, bouncing off of it. The Moon only reflects about twelve percent of the light that hits it because of its rugged, and dark surface. The position of which the Moon is at while orbiting can also affect the light that we get from it. For example, when the Moon is full it could be up to twenty percent brighter than…

As an ice giant, uranus is made up of more ice than gas. Uranus has a much different composition than saturn or jupiter even though they are all gas giants. Jupiter and Saturn are mostly composed of hydrogen and helium, while uranus is composed of ices like water, ammonia and methane. Astronomers think that between 9.3 and 13.5 earth masses of Uranus mass is made up of these ices. Hydrogen…

to study Saturn’s rings in 1655. Ten years later he discovered a large object on Saturn’s outer ring, which he dubbed Titan. Though Huygens died in 1695 his legacy endures as Titan stands as a testimony to time itself. Titan is one of the 62 known moons that orbit Saturn. It is located at 9.5 AU from the Sun, Titan lays nestled 1425.88 km, or 886 mi, from Saturn in its outermost ring. From here it takes 15 days and 22 hours to orbit Saturn…

There are 67 moons that orbit Jupiter but the four largest are Io, Europa, Ganymede and Callisto. The man who found the moons, was Galileo Galilei who was born in Pisa in 1564, in 1581 he went to the University of Pisa to study medicine. But was sidetracked by mathematics, in 1609 is when he built his first telescope but it wasn’t no ordinary telescope. This telescope Galileo built he could discover uncharted territory. To Galileo it seemed plainly obvious that the universe was not the perfect…

telescope, he became the first person to study this stars. Galileo’s first discovery was that Jupiter had four satellites circling it. He noted that these satellites were much like our Earth’s moon. Another one of Galileo’s more famous discoveries was the moon’s surface. It was previously thought by the Aristotelians that the moon’s surface was smooth, but upon further observation Galileo discovered that the moon was rough and contoured much like the Earth. Galileo was also the first to suggest…

On both occasions, Galileo mistook Neptune for a fixed star when it appeared very close—in conjunction—to Jupiter in the night sky;[20] hence, he is not credited with Neptune's discovery. During the period of his first observation in December 1612, Neptune was stationary in the sky because it had just turned retrograde that very day. This apparent backward motion is created when the orbit of the Earth takes it past an outer planet. Since Neptune was only beginning its yearly retrograde cycle,…

Plato once said, “Astronomy compels the soul to look upwards and leads us from this world into another.” Obviously, astronomy has always been an interest to mankind. We look up into the night sky and feel an urge, something pulling us towards the stars. Many people have been influential in discoveries involving the stars and the planets beyond. From Galileo Galilei to Stephen Hawking, we have learned and discovered amazing things about the universe, and in recent discoveries we have wondered if…

Olaus first recognized the time for the light to reach Jupiter’s moons was roughly about seven minutes when the Earth was orbiting and getting closer to Jupiter. He then came up with an estimate of 140,000 miles/ per second which was a pretty good hypothesis because of the way Olaus concluded and figured out the speed of light by studying the eclipse time of certain moons in Jupiter’s gravitational pull. When was the speed of light discovered? The speed of light was…

the sky with it. He also studied the cosmos and stars. He also used his telescope to discover that the Earth’s solar system is heliocentric and that the Milky Way is made up of stars, and Venus has phases like the moon. In 1610, he discovered that Jupiter had mountains and its own moons. He also proved that objects fall at the same speed regardless of mass by dropping two objects from the Leaning Tower of Pisa. This supported the basis of Newton’s second law of…

Saturn got its name by a roman god of time and could be a reason why it is the slowest planet to orbit the sun. Saturn is the 6th planet from the sun between Jupiter and Uranus. Saturn is the second largest planet. Saturn revolves around the sun once every 29.4 Earth years, or 10,755.7 Earth days. Its poles are tilted 29 degrees relative to the orbit around the sun. Winds closer to Saturn’s equator blow east at 1,100 miles per hour, making Saturn the windiest planet in the solar system (of…