Phases
Moon Orbits
Astronomy
Moon Numbers
Moon Trivia
100
The phase of the moon in which we can see the full circle, illuminated by sunlight.
Full Moon
100
Of the Earth, Moon, or Sun; which is aligned in the middle for a Solar Eclipse?
The Moon
Blocking out all or part of the Sun.
100
Often mixed up with the science of viewing the stars and planets, this study of the stars would predict your fortunes and your character.
Astrology
100
The common name for an amount of time, roughly equal to the time between full moons.
Month
100
Name the jumper in this old nursery rhyme:
Hey diddle diddle,
The cat and the fiddle,
_________ jumped over the moon;
The little dog laughed
To see such sport,
And the dish ran away with the spoon.
The Cow
200
The phase of the moon when the Sun is on the far side of the moon, giving us very little light to help see the surface.
New Moon
200
What is blocking sunlight during a lunar eclipse?
The Earth
Our shadow also accepted.
200
A group of stars that defines a region of the sky. Throughout history, we have created myths and legends to identify and remember them.
Constellations
200
Within 2 pounds, how much would a 180 pound Archmere student weigh on the moon?
30 pounds
28-32 accepted
200
These are the only 12 men who have this in common.
People who have walked on the moon.
300
What moon phase is in this image, taken a few days after a new moon?
Waxing Crescent
300
Of the Earth, Moon, or Sun; which is aligned in the middle for a Solar Eclipse?
The Moon
Blocking out all or part of the Sun.
300
An imaginary line on which we could follow the Sun, the planets, and the Zodiac constellations throughout the year.
The Ecliptic
300
Within 2 pounds, how much would a 180 pound Archmere student weigh on the moon?
30 pounds
28-32 accepted
300
These are the only 12 men who have this in common.
People who have walked on the moon.
400
What phase of the moon is being shown here, a few days before a full moon?
Waxing Gibbous
400
What would you see, if you look to the western sky during the early morning in 20 days?
A Lunar Eclipse
400
An imaginary line that passes from North to South overhead for an observer. The sun crosses the line around noon each day.
The Meridian
400
Within 50,000 km, how far away is the moon today?
404,316 km
354,000 to 454,000 accepted
400
This word comes from the Latin word for the moon. For centuries, it was a widespread belief that the full moon could cause madness, erratic behavior, or even seizures.
Lunacy
Lunatic or other versions accepted
500
Which phase of the moon is shown here, exactly halfway illuminated heading toward a new moon?
Third (or last) Quarter
500
We would have a Lunar Eclipse every month if not for the 5 degree angle that goes by this name.
Lunar Orbital Inclination
500
An imaginary grid system used by astronomers to find things in the sky; this starts at the northern horizon relative to the observer where they stand.
The Azimuthal Grid
Azimuth accepted
500
The nearest star is about 4.25 light-years. What time based distance unit is more useful for the distance to the moon?
Light-Second
The moon is just over one light-second away, so light could get there and back in a little over 2 seconds.
500
This could be the most famous photo of the Earth. What is the name of the photo, or what year was it taken?
Earthrise
1968 by Bill Anders on the Apollo 8 mission.
600
Which phase of the moon will be most likely during a lunar eclipse?
A full moon.
600
The outer part of the Earth’s shadow. If you see an eclipse while the Moon is in this, it might only seem to change color or become slightly more dim.
Penumbra
(the Umbra is the more solid, center shadow)
600
An imaginary grid system used by astronomers to find things in the sky; this extends out the latitude and longitude lines of the Earth and has a zenith very near the North Star.
Equatorial Grid
600
This unit is used by astronomy students to describe the angular size of things that look very small in the sky such as the moon.
Arcseconds
600
This upcoming mission plans to have a US astronaut walk on the moon again in 2028.
Artemis III