The Universe & More
Galaxies
Stars
Other Stuff
Random
100
What is bigger than a galaxy?
The Universe
100
Galaxies are bigger than what?
Solar Systems
100
What color are really hot stars?
Blue
100
What is the name of the star that Earth's orbits around?
The Sun
100
What color are cool stars?
Red
200
How many stars are in the Universe?
Billions
200
What makes up a galaxy?
Galaxy is a collection of dust, gases, stars, solar systems, and planets
200
What 2 gases make up a star?
hydrogen and helium
200
What type of galaxy has 2 or more arms spiraling from the middle?
Spiral galaxy
200
What type of galaxy does not fit in any of the classification categories?
Irregular
300
How far is Proxima Centauri from our Galaxy?
4.9 light years
300
What type of galaxy is oval and circular shaped?
Elliptical galaxy
300
What is the next nearest star to our solar system?
Proxima Centauri
300
What has planets that orbit a star, and other celestial bodies?
Solar System
300
A star radiates energy into space, what is that called?
luminosity
400
What is the explosion called when a large star dies and has a violent reaction?
Supernova
400
What type of galaxy has 2 or more spiraled arms and an elongated middle?
Barred spiral galaxy
400
What does a star's color indicate?
The surface temperature of the star!
400
Milky Way is an example of what type of galaxy?
Spiral galaxy
400
How does a protostar become a star?
nuclear reaction between helium and hydrogen
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