1. By: Hannah Paterson and Nicole Erickson

2. Diameter and size Diameter= 4,875km About 1/3 of Earth’s diameter Earth= 12, 750km 4, 875km

3. Gravity.38 gravitational force, Earth= 1 You would weigh 38% of your weight

4. Distance from the Sun 57.9 million km from the sun Earth= 150 million km

5. Length of day and year Day=58.6 earth days Year= 88 earth days

6. Temperature 400˚ Celsius to -185 ˚ Celsius Really hot during day, freezing at night Mercury has a huge temperature change

7. Surface features Heavily cratered Lots of craters because the atmosphere doesn’t hold them out Terrestrial, made of solid rock

8. Atmosphere Little or no atmosphere Hydrogen, helium, oxygen

9. Mythology Named for the god Mercury In Greek, Hermes, the messenger of the gods

10. Bibliography National earth science. “ Mercury” windows to the universe. NESTA, 2010. 3/1/11 “Mercury”. Universe encyclopedia. American edition 2009. print. Smithsonian. “Mercury facts” National air and space museum. 3/1/11. web. Sparrow, Giles. Mercury. Singapore: Heinemann Library, 2001. print Sparrow, Giles. Cosmos. London: Quercus Publishing, 2007. Print