18-1 + 18-2
18-3 + 18-4
18-5 + 18-6
18-7 + 18-8
18-9+18-10+18-11
100
a ball of gases that gives off light and heat
What is a Star
100
Way to measure a star's brightness
What is Magnitude
100
Explosion where the outer layers of a star is blown off
What is Nova
100
The hottest stars are what color
What is Blue
100
reaction in which atomic nuclei combine to form larger nuclei
What is Fusion
200
dense material in the center of a nebula that is about to become a star
What is a Nebula
200
Star that falls within a long, narrow, diagonal band across the H-R diagram
What is a Main Sequence Star
200
Violent explosion where a star is blown apart
What is a Supernova
200
What is the nearest star to Earth
What is Proxima Centauri
200
center, or core, of an atom
What is a nucleus
300
Two stars that revolve around each other
What is a Binary Star
300
Very large and very bright star
What is a Supernova
300
Center of the sun
What is Core
300
Inner layer of the sun's atmosphere
What is Photosphere
300
groups of stars that form a pattern in the sky
What is constellation
400
A large group of stars that travel together through space
What is a Star Cluster
400
very small, hot star
What is a White Dwarf
400
What is Einstein's Equation
What is E=MC2(squared)
400
layer of the sun's atmosphere above the photosphere
What is chromosphere
400
shaped like a ball or slightly flattened ball
What is an elliptical orbit
500
The study of light coming from objects in space
What is a Spectroscopy
500
a device that measures the spectrum of an object
What is a Spectrograph
500
When hydrogen nuclei fuse, they form
What is Helium Nuclei
500
outer layer of the sun's atmosphere
What is the corona
500
huge collection of stars, gas, and dust that travel together through space
What is a galaxy
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