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Planet Comparison Report
Uranus:
Uranus was discovered in 1781 by Sir William Herschel. He at first wanted to name the planet Sidus Georgium which is latin for George’s star after the king of England. Another astronomer Johann Bode advised Herschel against it and suggested instead that he use a name from Greco-Roman mythology like all other planets. So Uranus was given its name which is the father of Saturn.
Uranus is one of the Jovian planets and like the others it has a short rotation period. Uranus’s day is 17.2 hours. Its revolution around the sun however is slightly more than 84 years. It is the seventh planet from the sun at a distance of 1.78 billion miles.
Uranus is about 4 times the diameter of earth at 46,700km. Its mass is 15 times that of earth at 8.68*10 kg. The axial tilt of this planet is one of the most unusual things about it. It is tilted 98 degrees which classifies it as being in retrograde rotation. Uranus is also unique because it has the most inclined magnetic field. The surface magnetic field is 74 percent that of the earth. The surface gravity on Uranus is 8.87 m/s².
The atmosphere of Uranus is thick with a lot of hydrogen, helium, and methane. It has a very low density, the mean density is 1271 kg/m³. Uranus lacks any really significant internal heat source and it mean surface temperature is 58° K.
To date Uranus has been found to have 21 satellites four of which have yet to be named and 11 rings.
News Articles:
From: Regulatory Intelligence Data.
Title: Release 99-47 Huge Spring Storms Rouse Uranus From Winter Hibernation
Date: 03/29/99
NASA’s Hubble Space telescope showed that for the first time seasonal changes on Uranus.
From: ScienceNOW
Title: New moon for Uranus
Date: 05/19/99
A new moon was discovered for Uranus that had previously been overlooked for 13 years. As of 1999 this discovery brought the total of Uranus’s satellites to 18.
Neptune:
Neptune was discovered through a discrepancy in Uranus’s orbit. Uranus’s orbit was not moving how astronomers predicted it would. They could not find an elliptical orbit that fit Uranus’s trajectory. They therefore assumed that there had to be another planet that’s gravitational pull was effecting Uranus. Johann Galle was the first to find Neptune in 1846, even though many before him had mathematically predicted where this new planet would be. The planet was named Neptune and two astronomers who had predicted mathematically where it would be are credited with finding it not Galle.
Saturn has a total of 62 moons, 53 moons have names and only 13 have a diameter of 50 kms or less. Most of the moons are named after Titans and/or titanesses, some are also named after mythological characters. 24 of Saturn’s moons are regular satellites which means they have prograde orbits not greatly inclined to Saturn's equatorial plane. The remaining 38 are irregular satellites which means their orbits are much farther from Saturn.
Other sources say he was born from chaos alone and has no partenge, but according Hesiod’s Theogony he was conceived by Gaea, which is the most popular theory and the most reliable. Uranus fathered the first immortal children of Gaea, which were the three hundred handed giants and the three cyclopes. Enraged by his creations, Uranus bound them and banished them to Tartarus. While Uranus was proud of his actions, Gaea longed for her children and she hated Uranus for what he had done. “However, she buried her feelings deep in her heart and quietly waited for the time when she could take revenge”(Hesiod’s Theogony). Then Gaea’s time for had finally came because the next immortal children born to her and Uranus were the thirteen titans. Out of the six boy Gaea asked all of them to take the stone sickle and take revenge against their father, whom imprisoned their brothers. Kronos the youngest titan took the sickle from Gaea, then took revenge on Uranus and in turn Kronos took his place as ruler of the
Jovian Planets are the next four planets in our solar system and are also known as “gas giants”. These four planets consist of Jupiter, Saturn, Uranus, and Neptune. Jovian planets are different from Terrestrial planets in that they are farther from the sun, which makes them cooler, mostly gaseous in composition, have low density and fast rotation. Some of the planets also have rings
Burdick, Autumn. "Solar System Exploration: Planets: Jupiter: Moons." Solar System Exploration: Planets: Jupiter: Moons. National Aeronautics and Space Administration, 13 Dec. 2013. Web. Feb. 2014.
Although Pluto was discovered in 1930, limited information on the distant planet delayed a realistic understanding of its characteristics. Today Pluto remains the only planet that has not been visited by a spacecraft, yet an increasing amount of information is unfolding about this peculiar planet. The uniqueness of Pluto's orbit, rotational relationship with its satellite, spin axis, and light variations all give the planet a certain appeal.
Five years after its Saturn encounter, Voyager 2 reached Uranus. After taking its normal set of observations, ...
For a vast majority of people remember when Pluto was considered to be a planet, but that all changed in 2006. Even though some people still consider Pluto to be a planet, it is not. But those yearning for another planet in our solar system, have finally achieved their wish. With the nickname of Planet nine, the possible planet will take the place that was once was Pluto’s, as the ninth planet in our solar system. It has yet to be confirmed to be a planet.
This is the Scholarly Journal Archive. 2. Letters Planet Pluto Gerard P. Kuiper Science, New Series, Vol. 124, No. 2 -. 3216. The. Aug. 17, 1956, p. 322.
The website states, “[Venus] completes one rotation
Uranus is so far away that scientists knew comparatively little about it before NASA's Voyager 2 undertook its historic first encounter with the planet. The spacecraft flew closely past distant Uranus, and came within 81,500 kilometers (50,600 miles) of Uranus's cloudtops on Jan. 24, 1986. Voyager 2 radioed thousands of images and mass amounts of other scientific data about Uranus, its moons, rings, atmosphere, interior and magnetic environment. However, while Voyager has revealed much about the gas giant, many questions remain to be answered.
One of the primary points about Pluto’s existence is that scientists wondered if a little ball of ice should be thought-out to be a planet. It was determined that it should, mainly because since the gravity of the eighth planet, Neptune, was established because it was connected to
There are many different kinds of exoplanets ranging from size to the composition of the surface. Some examples of these exoplanets are gas giants, hot jupiters, exo earths, free floating planets, and super earths. Gas giants, the most common kind of exoplanet are similar to Saturn and Jupiter by the fact that there surface is consisted of Hydrogen and Helium. Not only is there surface similar to Sat...
Our knowledge gained of Titan has drastically improved since the early 1980s when Voyager flew past it. Titan is Saturn’s largest moon and the second largest moon of our solar system. It has a diameter estimated roughly 40% of Earth’s moon (Titan’s Radius: 2576, Moon’s Radius: 1737) and is 80% more massive (Titan’s Mass: 1.35 x 10^23 kg, Moon’s Mass: 7.35 x 10^22 kg. Titan has a atmospheric surface pressure 50% more than of Earth’s. In addition to that, Titan is the only moon to have a dense atmosphere. Titan’s atmosphere has been calculated to be 4.5 times more dense than of Earth’s atmosphere, which can been clearly noted by the layers of haze seen. The atmosphere in Titan is approximately 1.5km and is mainly composed of nitrogen. Titan has a very similar vertical atmospheric structure to earth, Titan has a troposphere temperature of ~94-~70K, a tropopause temperature of 70.4K and a stratosphere temperature of ~70-175K.
Our solar system has eight planets, their moons and satellites, and they are all orbiting the Sun. The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Pluto used to be the ninth planet but IAU changed the definition of planet and Pluto did not meet the standards so it is now a Dwarf planet.
Jupiter is the fifth planet from the sun. It includes 4 rings. It has 67 moons too. The surface temperature is -108 degrees celsius. Jupiter is the fourth shiniest object in the the sky. Jupiter has the shortest amount of days, hence 9 hours and 55 minutes. Jupiter will orbit the sun every 118 Earth years. The red spot on Jupiter is an enormous storm on the planet. The storm has occurred for 350 years. 3 Earths can fit in the red