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Meghan Grenke

on 26 February 2013

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Transcript of Venus

compared to mercury VENUS which is bigger? Venus and Mercury both have no moons. This is because both of them are so hot that they will just burn up, right? FALSE!! Many people think that is the reason that both Mercury and Venus have no moons, but the real reason is that the sun has a very strong gravitational pull. In fact the Sun's gravity is about 27.9 times that of Earth which pulls the moons in and then they would burn up in the sun. which day is longer? Venus's day is 243.01 earth hours long and Mercury's day is 58.16 earth hours long. That makes Venus's day 184.85 earth hours longer than Mercury's what about the surface? Mercury's surface is made up of mostly iron, rock, and metals. In fact the surafce of mercury is very similar to the surface of our moon! This is because mercury doesn't have an atmosphere like our moon. On the other hand, Venus's surface is mostly acid, rock, volcanoes and crators. which has a longer year? Venus's year is 224.7 earth days long and Mercury's is 87.97earth day long.That makes Venus's day 136.73 earth days longer than Mercury's. Venus is 7225.6km bigger than Mercury, so Mercury can fit into Venus about 3.5 times! Since Pluto is no longer classified as a planet, Mercury is now the smallest planet in our solar system. moons..... which planet is hotter? Venus is 3040 degrees hotter than Mercury even though mercury is closer to the sun. Venus has a "greenhouse effect" which is because the gases of Venus's atmosphere (carbon dioxide) hold in the sun's rays making it really hot. It is so hot on Venus that there are 1600 major volcanoes and about 100,000 volcanoes in total on Venus. In contrast, on Mercury it can get as cols as -173 because the other half of mercury is facing away from the sun for a long time due to its slow rotation. venus-
12 103.6km mercury-
4 878km Venus can get to be 462°C Mercury can get to be -173°C or 427°C Which is closer to the sun? That one is simple, Mercury is the closest planet to the sun. It is 57 909 227km away from the sun which is about half the distance from the sun to Venus. Venus is 108 208 475km away from the sun. That makes Mercury 50 299 248km closer to the sun than Venus. What is the tilt (Obliquity) of these planets? Mercury has a 0 degrees tilt and Venus has a 178 degrees tilt about the atmosphere... Mercury appears to have no atmosphere but its atmosphere actually contains hydrogen, helium, oxygen, sodium, calcium, potassium and water vapor. As for Venus the atmosphere is made entirely of carbon dioxide and just a bit on nitrogen. Venus also has many acid clouds swarming above and around Venus. http://pds.jpl.nasa.gov/planets/special/venus.htm
http://curious.astro.cornell.edu/question.php?number=236 Sources Made by Meghan Grenke fun facts about... VENUS Myths... Does Venus have a twin?? The beautiful goddess Venus is probably most familiar as the armless statue known as the Venus de Milo http://en.wikipedia.org/wiki/Venus_(mythology) http://www.universetoday.com/14070/interesting-facts-about-venus/ Venus really is the Earth’s twin.
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