Planet Mercury Trivia Quiz Questions and Answers
Mercury is one of the four “what” planets in the Solar
System?
A: Terrestrial.
Like Earth, Mercury is what type of body?
A: Rocky.
As far as size, were does Mercury rank with the other
planets?
A: It is the smallest planet in the Solar System.
What is the radius of Mercury at the equator?
A: 1,516.0 miles.
Mercury is also smaller in size than what two natural
satellites in the Solar System?
A: Ganymede and Titan.
How much of Mercury consists of approximately metallic
material?
A: 70%.
Where does Mercury's density rank in the Solar System?
A: It’s the second highest.
Mercury's core occupies about what percentage of its
volume?
A: 42%.
Research published in 2007 suggests that Mercury has what
type of core?
A: Molten.
How thick is Mercury's crust believed to be?
A: 60–180 miles.
Mercury's core has a higher iron content than what?
A: Any other major planet in the Solar System.
Mercury's surface is similar in appearance to that of the
what?
A: The Moon.
Craters on Mercury are named for whom?
A: Artists, musicians, painters, and
authors who have made outstanding or
fundamental contributions to their field.
Who are Ridges, or dorsa, named for?
A: Scientists who have contributed to the study of Mercury.
What are depressions or fossae named for?
A: Works of architecture.
What are montes named for?
A: The word "hot" in a variety of languages.
Mercury was heavily bombarded by what during and shortly
following its formation 4.6 billion years ago?
A: Comets and asteroids.
Craters on Mercury range in diameter from small bowl-shaped
cavities to multi-ringed impact basins how far across?
A: Hundreds of kilometers across.
What is the largest known crater on Mercury?
A: The largest known crater is Caloris Basin, with a diameter of 960 miles.
The impact that created the Caloris Basin was so powerful
that it caused lava eruptions and left a concentric ring over how tall
surrounding the impact crater?
A: 1.2 miles.
Overall, about how many impact basins have been identified
on the imaged part of Mercury?
A: 15.
Although the daylight temperature at the surface of Mercury
is generally extremely high, observations strongly suggest that “what” exists on
Mercury?
A: Ice (frozen water).
The floors of deep craters at the poles are never exposed
to what?
A: Direct sunlight.
Mercury is too small and hot for its
gravity to retain any
significant what over long periods of time?
A: Atmosphere.
