Saturday, January 4, 2020

Sci151 - Planetary Comparison - 1355 Words

Planetary Comparison SCI/151 May 3, 2011 Norman Stradleigh Planetary Comparison Planet Earth is the third planet from the Sun and the fifth largest of the planets of the Solar System. Earth’s surface is 71 percent water and is the only astronomical planet currently known where life exists. Earth is our home planet. Scientist and astronomers have studied our planet for Centuries and they have discovered much about our planet. Scientist have gained so much more knowledge of our Solar System in the last half-century after the NASA launched the first spacecraft and travel beyond Earth’s atmosphere has opened up to those who wish to explore. In the following paragraphs, we will discuss Earth and the†¦show more content†¦It is a cloudy, dim world of intense heat, volcanic activity, and deformed mountains on the surface. Mars is a rocky body about half the size of Earth. Like Earth, Mars experiences seasons because of the tilt of its rotational axis, so its distance to the sun changes, according to NASA (n.d.). Telescope observations show w ater-iced clouds, polar ice, and volcanoes. Mars has the largest Volcanic Mountain in the solar system, named the Olympus Mons and has two moons in its orbit. Jupiter is the largest and the fastest spinning planet in our solar system. The storm on Jupiter known as the Great Red Spot could swallow up the entire Earth. Jupiter is made primarily of hydrogen and helium and has no solid surface. Its atmosphere resembles that of the sun. Stathopoulus (2000 – 2011), â€Å" Sixteen moons have been identified, with Ganymede noted as the largest - it is bigger than both Mercury and Pluto† (Facts about Jupiter, para. 9). Saturn is unique of all the planets, adorned with thousands of beautiful ringlets and has 63 moons with confirmed orbits. Fifty-three of the moons have been named, with Titan being the largest and the only one with an atmosphere. Saturn is mostly a massive ball of hydrogen and helium, much like the planet Jupiter. Uranus is the only giant planet whose equator is nearly at right angles to its orbit and has 5 large moons and 22 smaller moons. It is, also, the only planet in our solar system to spin on its side. Uranus

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