What Latin term is generally used for the dark and relatively featureless plains on the surface of the Moon?
Flume
Mare
Campis
Agri
No. 2/10
What term is used for the phenomenon whereby the Moon appears particularly large in the sky owing to the coincidence of its closest approach to the earth with a full (or new) moon?
Wondermoon
Supermoon
Pink Moon
Blue Moon
No. 3/10
What term is used for the Moon when its observable illuminated part is greater than a semicircle and less than a circle?
Gibbous
Cross
Bowed
Crescent
No. 4/10
What is the volume of the Moon compared to that of Earth?
32%
2%
22%
12%
No. 5/10
What name is given to the phase of the Moon when it is not visible from Earth?
Full moon
New moon
Waxing moon
Waning moon
No. 6/10
What term is used for the Moon when its observable illuminated part is smaller than a semicircle but more than completely invisible?
Gibbous
Crescent
Arched
Kyphotic
No. 7/10
What is the average distance from the center of the Earth to the center of the Moon?
192,199 km / 119,427 mi
96,100 km / 59,713 mi
48,050 km / 29,857 mi
384,399 km / 238,854 mi
No. 8/10
What phase term is used for the decreasing size of the visible and illuminated surface of the Moon?
Wading Moon
Waving Moon
Waxing Moon
Waning Moon
No. 9/10
What term is used for the perceived oscillating motion of the Moon relative to Earth?
Solstice
Analemma
Libration
Equinox
No. 10/10
What is the (equatorial) circumference of the Moon?