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Citations
Elkins-Tanton, Linda T. "Part Two: Mercury." The Sun, Mercury, and Venus. New York: Chelsea House, 2006. N. pag. Print.
"Temperature on Mercury: Planet Mercury Climate & Weather Conditions." Temperature on Mercury: Planet Mercury Climate & Weather Conditions. N.p., n.d. Web. 06 Nov. 2012. <http://planetfacts.org/temperature-on-mercury/>.
Cain, Fraser. "Atmosphere of Mercury." Universe Today. N.p., 12 Mar. 2012. Web. 06 Nov. 2012. <http://www.universetoday.com/22088/atmosphere-of-mercury/>.
LOCATION
Mercury is the inner most planet in the
solar system. Its average distance from the
sun is 35,984,076 miles or 0.387 AU. Mercury
is the first planet from the Sun, followed by
Venus.
Caloris Basin is the largest impact crater on
Mercury.
Mercury has a quicker orbit each year.
Mercury's sky is black.
Sun's rays are 7 times stronger on
Mercury than Earth.
Gravity
The gravitational acceleration at Mercury's
surface is 3.70 m/s squared which is 0.37 times
the gravity on Earth. My weight on Mercury
would be 51 pounds.
There are none.
Time, Weather, Temp
Mercury's day is equivalent to 58.65 Earth days. Mercury's sidereal period is equal to 87.97 Earth
days. Mercury has no weather due to a lack of an atmosphere. The side of the planet facing the Sun can reach temperatures as high as 700 K and the side facing away can get as low as 100 K with some craters getting into the 90 K range. This makes Mercury, the closest planet to the Sun, also the coldest of the inner planets. (not average) 452 K is the average temperature.
Atmosphere &
Composition
The equatorial radius of Mercury is 1,515 miles
or 0.38 the Earth's radius.
Mercury's atmosphere is almost nonexistent.
The little that is present is made up of 95%
carbon dioxide, 2.7% nitrogen, 1.6% argon and several other trace elements. It's a terrestrial
planet made up of 70% metals and 30% silicate
materials. It's core makes up 42% of Mercury's
volume compared to Earth's 17%. Large iron
core.