Seasons
Moon
Planets
Eclipses
Day and Night
100

One reason that people think it hotter in the summer. 

What is the Earth is closer to the sun in summer?

100

During this phase of the lunar cycle there is no reflection of the sun's light.

What is the new moon? 

100
An planet that has a feature known as the Great Dark Spot.
What is Neptune?
100
Objects that orbit the sun between the inner and outer planets.
What are asteroids.
100
A tool that will help see more detail about a small area of the sky.
What is a telescope.
200
A cool and small star.
What is a red dwarf?
200
An object(s) that is outside our Solar System and makes up most of what the visible matter in a galaxy.
What is a star other than our sun.
200
A planet with many moons.
What is any Outer Planet?
200
An object that looks like a streak of light in the sky but is a small chunk of rock passing through Earth's atmosphere.
What is a meteor?
200
A tool that is sent to investigate deep space and transmit their findings back to Earth.
What is a space probe or a crewless spaceship?
300
When you compare the larger star to the smaller star when the two stars are the same color.
What is the larger star is brighter than the smaller star?
300
The reason why galaxies appear brighter in the center.
What is a crowded or dense amount of stars?
300
A planet whose mass is most likely more than 300 times the mass of Earth.
What is Jupiter?
300
An object that has passed through Earth's atmosphere and has reached Earth's surface.
What is a meteorite?
300
A tool that has to look through Earth's atmosphere, which reduces their power.
What are Earth-based telescopes?
400
How a red giant compare to our sun, a red dwarf, and a blue dwarf.
What is the brightest star?
400
A group of billions of stars that form a round shape.
What is an elliptical galaxy?
400
A planet with a thick atmosphere and has a low density.
What is Jupiter, Saturn, Uranus, or Neptune (an Outer Planet).
400
An object that has broken off an asteroid and travels through space?
What is a meteroid?
400
A tool that is used to observe other galaxies in deep space.
What is a crewless spaceship?
500
Can occur even when two stars have different sizes but the same temperature.
What are stars with the same color?
500
A galaxy that does not have a symmetrical shape.
What is an irregular galaxy?
500
Another way planets move in space other than revolve around the sun.
What is rotation on its axis?
500
An object that is made up of frozen gas and has a visible tail, pointing away from the sun.
What is a comet?
500
A tool that orbits the Earth's atmosphere in order to observe deep space.
What is a space probe?
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