Gaspra and Deimos
Phobos and Deimos
Phobos and Stickney
Gaspra and Stickney

2) This is an infrared picture of some currently active volcanoes. This means that this picture must be of ... ?

Deimos
Europa
Io
none of these are correct

3) Where do you find Valles Marines?

On the moon
On Earth
On Mars
None of the above is correct

4) Did Galileo Galilei discover the rings of this planet?

yes
no

5) What is this moon of the planet Uranus called?

Ariel
Deimos
Charon