moon quiz - intermediate

So, how well do you know the Moon? If you can correctly answer the random selection of the questions on this page then you have an impressive understanding of lunar science, and may be ready for the expert quiz.

1. Which lunar crater has the most extensive ray system?
   Tycho
   Copernicus
   Plato
   Posidonius
   

2. Reiner Gamma is...
   A sinuous rille in the Mare Serenitatis
   The brightest object on the Moon's near side
   A lunar feature with no detectable relief
   A crater which has reportedly changed its appearance over time
   

3. Seen from above its north pole the Moon...
   Rotates clockwise once a month
   Rotates anticlockwise once a month
   Rotates clockwise once a day
   Does not rotate
   

4. A long valley on the moon is called a
   Rille
   Mare
   Catena
   Crater
   

5. The largest Moon is relative to its planet is
   The Moon
   Titan
   Ganymede
   Charon
   

6. Which planet currently has the largest number of known moons?
   Jupiter
   Saturn
   Uranus
   Neptune
   

7. The term "mascon" means...
   Mass concentration: a zone of dense rock beneath the lunar surface
   Mission Auxiliary Systems Controller: member of the Apollo ground control team
   Main Avionics Software Control: the program which flies the lunar module
   Moon and Satellite Conformal Orthographic Notation: a mapping co-ordinate system
   

8. How long does light from the Moon take to reach the Earth?
   0.5 seconds
   1.25 seconds
   12.75 seconds
   25.0 seconds
   

9. Which is the largest nearside lunar crater?
   Copernicus
   Schickard
   Clavius
   Bailly
   

10. When a total solar eclipse ends and the observer moves from the umbra to the penumbra it is called...
    First contact
    Second contact
    Third contact
    Fourth contact