Description
1:In a paragraph, briefly describe the process through which astronomers believe the Earth acquired its Moon.
2:Even though Venus is further from the Sun than Mercury, the average surface temperatures on Venus are hotter than those on Mercury. In a brief paragraph, explain how this can be the case.
3:In a paragraph, briefly describe why astronomers find Jupiter's Moon Europa so interesting, especially when it comes to the possibility of life. In this paragraph, you should also explain how the interior of Europa remains so warm despite the fact that it is a relatively small object that should have cooled off long ago (but hasn't).
4:Briefly list and describe some of the reasons why Pluto is now considered to be a Dwarf Planet rather than its previous classification as Planet.
5:In a brief paragraph, explain why astronomers believe small, terrestrial planets formed near the Sun and large, jovian planets formed further away from the Sun.
6:In a brief paragraph, explain why our solar system has an asteroid belt between Mars and Jupiter.
Explanation & Answer
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The Solar System
The Earth’s moon is considered to be the largest in the solar system compared to its host
planets. The formation of Earth’s moon was as an outcome of an impact between earth and a
Mars-sized body known as Theia (Prentice, 357). The clash led to the throwing of vaporized
chunks of the earth’s crust into space. The materials condensed and solidated. The force of
gravity bounded the ejected materials together to form the moon. The elements drew together
around the remaining segments of Theia’s core centering near Earth’s ecliptic plane to establish
the orbit where the moon revolves.
The average temperatures of Venus being hotter than those of Mercury are contributed by
the thicker atmosphere that surrounds Venus as compared to that of Mercury. The thick
atmosphere acts like a blanket that holds and retain heat from the sun. The dense atmosphere
made up of nitrogen and carbon dioxide, which surrounds Venus, is also a contribution to the
hotter temperatures on...