This planet has the most moons, with at least 67, as of 2014.
Jupiter
100
The Sun is ______ in age, brightness, and size.
average
100
The Sun's solar energy reaches Earth in the form of heat and _____.
light
100
Areas near the Equator are constantly receiving solar energy throughout the year, we call these low-latitude places the ___
tropics
100
Equinox is Latin for ___
equal night
200
Along with the planet Mercury, this planet also has no moons.
Venus
200
The diameter of the Sun is a mere ____ miles, or roughly 100 times greater than Earth.
865,000
200
One complete spin of Earth on its axis.
rotation
200
Areas in the ____ latitudes experience 4 distinct seasons throughout the year.
middle
200
The beginning of the fall season in the Southern Hemisphere is
March 21
300
A body that orbits a larger body is called a
satellite
300
The Sun works like an enormous ____ reactor.
thermonuclear
300
Earth rotates in a _____ to _____ direction.
west / east
300
Regions in the tropics are warm throughout the year, however they do experience distinct ___ and ____ seasons.
wet / dry
300
The shortest day of the year in the Northern Hemisphere is
Dec. 21
400
Pluto, despite what Mariah says, still shouldn't be classified as a planet, otherwise UB313 should also be classified as a planet, because it is in fact, larger than Pluto. What name does UB313 commonly known as?
Xena
400
Huge stars are called
supergiants
400
Solar energy strikes ___ of the Earth at once.
half
400
The ___ of Earth's axis causes the Northern and Southern Hemispheres to have ____ seasons.
tilt
400
The Sun's rays strike the Northern Hemisphere at 23.5 degrees called the Tropic of _____.
Cancer
500
The universe in which we live (Milky Way) is only ______ years old.
10 to 20 billion
500
Earth's elliptical orbit averages _____ miles from the Sun.
93 million
500
One revolution of Earth around the Sun takes precisely ____ days.
365.25
500
____ a year, Earth's poles or axis tilt toward or away from the Sun more than any one time.
Twice
500
The Sun's rays strike the Southern Hemisphere along the parallel 23.5 degrees called the Tropic of ___.