Questions and Answers
Planet Mars - astronomy questions
1.
Mars lost its magnetosphere
4 billion years ago
2.
How many moons orbit Mars?
2
3.
Mars orbital period equals:
686.971 days
4.
Martian soil to be slightly :
alkaline
5.
Liquid water cannot exist on the surface of Mars because
low atmospheric pressure
6.
Does Mars have permanent polar caps?
yes, two
7.
Mars's average distance from the Sun is roughly
230 million kilometres
8.
Day on Mars lasts:
24 hours, 39 minutes
9.
Moon on this picture is:
Phobos
10.
Moon on this picture is:
Deimos
11.
Olympus Mons is higher than Mount Everest about:
3 times
12.
The Curiosity rover, which landed on Mars in
August 2012
13.
Oportunity Mars rover landed on planet's surface on:
January 25, 2004
14.
Escape velocity from martian surface is:
5.027 km/s

