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Section 4
Section 5
100
The study of the universe.
What is astronomy?
100
Bowl-shaped depressions on earth's surface.
What are craters?
100
A large body that orbits a star.
What is a planet?
100
A large, hot ball of gasses, held together by gravity, that gives off its own light.
What is a star?
100
A group of star clusters held together by gravity.
What is a galaxy?
200
A device that collects light and magnifies images to make distant objects appear closer.
What is a telescope?
200
The shape of the moon we see in the night sky.
What is phase of the moon?
200
An object that orbits a planet.
What is a moon?
200
A group of stars that appear to form a pattern.
What is constellation?
200
Our home galaxy.
What is the Milky Way?
300
Everything that exists, including earth Earth, the planets, the stars, and all of space.
What is the universe?
300
When Earth blocks sunlight from the moon.
What is lunar eclipse?
300
Consists of a star, such as the Sun, as well as all of the planets, moons, and other bodies traveling around it.
What is the solar system?
300
The apparent shift in an objects position when viewed from two locations.
What is parallax?
300
A band of colors when light is broken up
What is a spectrum.
400
One complete spin on an axis.
What is rotation?
400
When Earth passes through the moon's shadow.
What is solar eclipse?
400
The tendency of a moving object to stay in motion.
What is inertia?
400
The distance that light travels in one year.
What is a light-year?
400
The absorption lines that result in long (redder) wavelengths from galaxies away form each other as space expands.
What is expansion redshift?
500
A vertical belt about 15 degrees wide in longitude, in which all locations have the same time.
What is standard time zone?
500
The regular rise and fall of the water level along a shore.
What is tide?
500
Rocky or metallic objects that orbit the sun.
What are asteroids?
500
A huge cloud of gas and dust in space.
What is a nebula?
500
The beginning moment when the universe was very hot and dense, resulting in a tremendous explosion.
What is Big Bang?