水星

What color is mercury surface?

• grey

• blue

• black

• red

How many moon does mercury have?

• 8

• 9

• 1

• none of above

How does Mercury get its wrinkles?

• Because the planet is old.

• Because Mercury is cooling and shrinking.

• Because it is warm an growing.

• Because the sun gives it wrinkles.

How long does it take Mercury to orbit the sun?

• 82 days

• 8200 days

• 12 days

• 33 days

What is the hottest temperature that could be on Mercury?

• 427

• 690

• 801

• 1699

What is the coldest temperature on Mercury?

• -300

• -120

• -545

• -275

how long is one day on Mercury?

• 90 hours

• 80 seconds

• 79 days

• 58 days

Of the following, which is true?

• Mercury is the the smallest planet in the solar system

• Mercury is 39.56 million miles from the sun

• Mercury can fit Earth in it 3 times

How far is Mercury from the sun?

• About 40 million

• About 36 million

• About 29 million

• About 43 million

Is Mercury the size of Earths moon

• True

• False