Group 1
Group 2
Group 3
Group 4
Group 5
100
Flares to hundreds of time brighter
What is a Nova?
100
group of stars that form a picture
What are constellations?
100
Milky Way and 30 other galaxies forming a cluster
What is a local group?
100
a neutron star that spins rapidly on its axis
What is a pulsar?
100
Icy chunk of frozen gasses, water, and dust that orbits around the sun
What is a comet?
200
collapse crushes the protons and electrons
What are Neutron Stars?
200
change in appearance and brightness
What is an eclipsing variable star?
200
death explosion of a star
What is a supernova?
200
stars that swell and shrink
What is a pulsating variable star?
200
Irregularly shaped pieces of rock, metal, and dust
What is a asteroid?
300
how bright a start appears to us
What is apparent magnitude?
300
an object moving away that changes colors to the red spectrum
What is a redshift?
300
true brightness of a star
What is absolute magnatude?
300
smallest group of stars, contains only two stars
What is a binary system?
300
Meteors that actually hit earth's atmosphere
What is a meteorite?
400
hundreds of times larger than the sun
What are giant stars?
400
small star group containing 3-4 stars
What are multiple star groups?
400
small and medium-sized stars
What are dwarfs?
400
group of up to a few 1,000 stars with no particular arrangement
What is an open star cluster?
400
Meteoroid's rapid movement through earth's atmosphere
What is a meteor?
500
the largest and brightest stars
What are supergiants?
500
group of up to a million stars that form a the shape of a ball
What is a globular cluster?
500
brightness of stars
What is magnitude?
500
huge star system that contains millions, or even billions of stars
What is a galaxy?
500
Chunk of metal or stone that is moving toward the earth's atmosphere
What is a meteoroid?
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