Questions and answers
Planet Mars - astronomy questions
All questions and answers from this set. Sooner or later we will land on Mars and colonize it. It is one of most studied planets. Scientists know a lot about it, but what do you know about red planet?
Questions: 20
Played: 1606 times
Question 1
Mars is the .... planet from the Sun and the second-smallest planet in the Solar System after .....
Question 2
Mars is often referred to as the "Red Planet" because the reddish .... prevalent on its surface gives it a reddish appearance.
Question 3
Mars lost its magnetosphere
4 billion years ago
Question 4
The mean surface pressure is only .... of that of Earth.
Question 5
How many moons orbit Mars?
2
Question 6
The atmosphere of Mars consists of about 96% ...., 1.93% .... and 1.89% .... along with traces of oxygen and water.
Question 7
Mars orbital period equals:
686.971 days
Question 8
Martian soil to be slightly :
alkaline
Question 9
Liquid water cannot exist on the surface of Mars because
low atmospheric pressure
Question 10
Does Mars have permanent polar caps?
yes, two
Question 11
Olympus Mons and related terrain are approximately .... km across.
Question 12
Mars's average distance from the Sun is roughly
230 million kilometres
Question 13
Day on Mars lasts:
24 hours, 39 minutes
Question 14
Mars has two relatively small natural moons, Phobos (about .... km in diameter) and Deimos (about .... km in diameter), which orbit close to the planet.
Question 15
Moon on this picture is:
Phobos
