Deck 40: Mercury

Question 1

This spacecraft is the first to visit Mercury since 1975:

A) New Horizons
B) Cassini
C) Messenger
D) Pathfinder

Answer 1

Messenger

Question 2

Caloris Basin is about _____ km across.

A) 500
B) 600
C) 1000
D) 1500

Answer 2

1500

Question 3

Large ____ are found on Mercury, similar to cliffs on Earth.

A) scarps
B) rills
C) mountains
D) valleys

Answer 3

scarps

Question 4

Mercury makes one complete rotation in ________ of a revolution around the Sun.

A) 1/2
B) 2/3
C) 3/4
D) 1/5

Question 5

Since Mercury wobbles as it rotates this suggests that its core is ______.

Question 6

At noon the temperature on Mercury is about _____ K.

Question 7

Relative to the stars, the rotation of Mercury is about 59 days.

Question 8

Mercury takes 225 days to revolve around the sun.