Friday, 16 October 2009

Mercury Facts

Chloe M & Phillip are finding out about Mercury.
Read their comments or post your own to help them.

6 comments:

philip said...

• Mercury is the closest planet to the Sun.
• Mercury rotates the Sun in only 88 days.
• Mercury rotates very slowly on its axis with one day taking about 2 months on earth.
• Mercury barely has any atmosphere, but does have glaciers.
• Mercury is named after the Roman messenger of the gods.
• On average, Mercury is 36 million miles from the Sun.
• Temperature on Mercury ranges from -280 to 800 degrees Fahrenheit.
• Mercury has no moons.
• Small in diameter, Mercury is the second largest planet when measured by mass.
• Mercury is primarily comprised of iron, which accounts for its heavy mass.
• Mercury has the largest known impact crater of any planet, named Beethoven and 643 kilometers in size.
• At its closest orbit, Mercury is “only” 46 million kilometers from the sun.

Mr Gray said...

excellent work Phillip

Anna:) said...

Mercury and Venus are the only two planets with no moons:)

Lydia said...

Mercury is small, rocky and has almost no atmosphere:)

Rebecca Wilkinson said...

Mercury has never been found to have any moons.

Chloe M said...

Mercury has been visited by Mainer 10.
Scientists think that there may be Volconic activity on Mercury.