Planets
Earth's Motion
Moon's Motion
Moon Phases
Misc.
100
What is the closest planet to the Sun?
Mercury is the closest planet to the Sun.
100
How long does Earth take to rotate on its axis?
The Earth takes 24 hours to rotate once on its axis.
100
How long does it take the Moon to rotate around its axis?
It takes the Moon 27 1/3 days to rotate on its axis.
100
What does waning mean?
Waning means getting smaller.
100
In what direction does the Sun move across the sky?
The Sun moves from East to West.
200
What is the farthest planet from the Sun?
Neptune is the farthest planet from the Sun.
200
How long does the Earth take to revolve around the Sun?
The Earth takes 365 1/4 days to revolve around the Sun.
200
How long does it take the Moon to revolve around the Earth?
It takes the Moon 27 1/3 days to revolve around the Earth.
200
What does waxing mean?
Waxing means getting larger.
200
The equator divides the Earth into the _______________ and ________________.
The equator divides the Earth into the Northern and Southern Hemispheres.
300
What is the third planet from the Sun?
The third planet from the Sun is the Earth.
300
What occurs as the result of the Earth's revolution?
The seasons occur as the result of the Earth's revolution.
300
What do scientists believe the Moon once was?
Scientists believe that the Moon was once part of the Earth.
300
What does gibbous mean?
Gibbous means more than 1/2 of the Moon is full.
300
What is the name of the imaginary line that runs from the North to South Pole and is tilted at 23 1/2 degrees?
The axis is an imaginary line that runs from the North to South Pole.
400
What is the fifth planet from the Sun?
Jupiter is the fifth planet from the Sun.
400
What occurs as a result of the Earth's rotation?
Day and night occur as a result of the Earth's rotation.
400
How are we able to see the Moon at night?
The Moon reflects light from the Sun.
400
What does crescent mean?
Crescent means less than half of the Moon is full.
400
What similarities do the Moon's rotation and revolution have?
A lunar day is equal to that of a lunar year!
500
What is the seventh planet from the Sun?
The seventh planet from the Sun is Uranus.
500
At what angle is the Earth tilted?
The Earth is tilted at an angle of 23 1/2 degrees.
500
How long does one lunar cycle take?
It takes the Moon 29 1/2 days to complete one lunar cycle.
500
What is the study of stars, planets and other objects in space called?
Astronomy is the study of stars, planets and other objects in space.
500
Why can't we see the Moon during the New Moon phase?
We cannot see the Moon during the New Moon phase because the Sun only lights up the backside of the Moon.