Planet Mercury Facts

1. Mercury is the eighth largest planet (or second smallest) in the Solar System.

2. The orbital speed of Mercury is 47.8 km/sec

3. Mercury has no atmosphere and no known satellites.

4. The diameter of Planet Mercury is 4,878 km

5. The only visit to Mercury was made by the Mariner 10 spacecraft in 1974.

6. Mercury, often identified with the Greek god, Hermes, is the messenger of the gods in Roman mythology. Mercury is often characterized with winged sandals.

7. A year in Mercury is equal to 87.97 Earth Days

8. A day in Mercury is equal to 58.65 Earth Days

9 Responses to “Planet Mercury Facts”

  1. Unknown March 24th, 2010 at 5:25 pm

    hello my name is fred

  2. DOnt Worriie Bouhddt ihddt April 13th, 2010 at 1:09 pm

    Hey Mercuryy ii queszx lol…?’ Whuddt Yuh Been Upp Too Mercury…?’ There ihss Onlyiie Like 1 1/2 Days inna Year THere…!`

  3. Some1 April 16th, 2010 at 12:39 pm

    heyahhh i like mercury it is full of poopie

  4. liam May 4th, 2010 at 4:21 am

    mecury is awesome

  5. britten May 4th, 2010 at 7:13 pm

    that is great facts, but i am afriad i need more.

  6. jj May 12th, 2010 at 1:29 pm

    i have tons of facts from this

  7. Kaarththick May 12th, 2010 at 8:19 pm

    I was born in mercury, it is a place in kenton if you knoow where that is. (mercury means london)

  8. maria gonzalez May 17th, 2010 at 1:55 pm

    i will have my childrens there hahaha!!! lol

  9. Unknown June 15th, 2010 at 5:42 pm

    Yoyo planets are awesome


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