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Lesson 1
Lesson 2
Lesson 3
Lesson 4
Lesson 5
100
The study of the universe
Astronomy
100
Bowl shaped depressions on the moons surface
Craters
100
Large body that orbits the star.
Planet
100
Large, hot ball of gases, and gives off its own light.
Star
100
Group of star clusters.
Galaxy
200
Everything that exists
Universe
200
The moon we see in the night sky.
Phases of the moon
200
Object that orbits a planet
Moon
200
Group of stars
Constellation
200
Our home galaxy
Milky Way
300
A device that collets light
Telescope
300
Earth blocks sunlight from reaching the moon.
Lunar eclipse
300
The tendency of a moving object.
Inertia
300
Viewed from 2 locations.
Parallax
300
A ban of colors
Spectrum
400
Lenses to gather light from a faraway object.
Refracting telescope
400
Earth passes through the moons shadow
Solar eclipse
400
Rocky or metallic objects
Asteroid
400
The distance that light travels in a year
Light year
400
The expanding of space.
Expansion redshift
500
Visible light reflects off a series of 2 or more mirrors.
Reflecting telescope
500
The regular rise and fall of the water level along the shore.
Tide
500
Ball of ice and rock
Comet
500
Huge cloud of gas and dust.
Nebula
500
A giant explosion at the beginning of the universe.
Big Bang