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Section 4
Section 5
100
Study of the universe
What is astronomy
100
Bowl-like depressions on the moon's surface
What is craters
100
Large body that orbits a star
What is planet
100
Large hot ball of gases
What is star
100
Our home galaxy
What is Milky Way
200
Everything that exists
What is universe
200
The shape of the moon in the night sky
What is phase of the Moon
200
Object that orbits a planet
What is moon
200
Group of stars held together to form a pattern
What is constellation
200
A band of colors
What is spectrum
300
Collects light and magnifies images
What is telescope
300
Earth blocks sunlight from reaching the moon
What is lunar eclipse
300
Consists of a star, planets, moons and other bodies
What is solar system
300
A huge cloud of gas and dust in space
What is nebula
300
Sent matter out in all directions
What is Big Bang
400
Line of longitude of 180 degrees
What is international date line
400
Moon blocks sunlight from reaching the Earth
What is solar eclipse
400
Tendency to keep objects in motion
What is inertia
400
Distance that light travels in one year
What is light-year
400
Comes in all directions in space
What is background radiation
500
One complete trip around the sun
What is revolution
500
The force of attraction among all objects
What is gravity
500
Ball of ice and rock that orbits the sun
What is comet
500
Viewed in two locations
What is parallax
500
The absorption lines show
What is expansion redshift