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Outer Space Trivia
Space Trivia Questions
Outer Space Trivia Quiz
Trivia Quiz For Kids About the Planet Mars
Mars is the fourth planet from the what?
Where does Mars rank with regard to size compared to the
A: It's the second smallest planet in the Solar System.
Mars is named after the Roman god of what?
Mars is frequently referred to as the "Red Planet" because
of the what prevalent on its surface?
A: Iron oxide.
Mars is a terrestrial planet with a thin what?
Mars has surface features similar to impact craters on the
moon and what?
A: Volcanoes, valleys, deserts, and polar ice caps of Earth.
Mars is the site of Olympus Mons, the second highest known
mountain within the what?
A: Solar System.
The smooth Borealis basin in the northern hemisphere covers
what percentage of the planet?
A: 40% .
How many moons does Mars have?
What are the names of the two moons of Mars?
A: Phobos and Deimos.
Until the first successful Mars flyby in
1965 by Mariner 4,
many speculated about the presence of what on the planet's surface?
A: Liquid water.
In 2005, radar data revealed the presence of large
quantities of water ice located where on the planet?
A: At the poles and at mid-latitudes.
The Mars rover Spirit sampled chemical compounds containing
what in March 2007?
A: Water molecules.
What did the Phoenix lander directly sample in shallow
Martian soil on July 31, 2008?
A: Water ice.
There are how many functioning spacecraft orbiting mars?
Mars can easily be seen from where with the naked eye?
Mars has approximately half the diameter of what?
A: The earth.
Mars is less dense than Earth, having about 15% of Earth's
volume and what percentage of its mass?
Mars surface area is only slightly less than the total area
of Earth's what?
A: Dry land.
What is the average thickness of the planet's crust?
A: About 31 miles.
Liquid water cannot exist on the surface of Mars due to low
A: Atmospheric pressure.
How much thinner is Mars's atmosphere than Earth's?
A: About 100 times thinner.
Mars has two permanent polar what?
A: Ice caps.