Stars
Distance to Stars
Life Cycle of a Star
Groups of Stars
Miscellaneous
100
The actual brightness of a star
What is absolute magnitude
100
Distance to stars is measured in units called
What are light-years
100
The cloud of gas and dust in which a star is born
What is a nebula
100
Patterns of stars seen from the Earth
What are constellations
100
The brightest stars in the night sky have the largest ______ numbers
What is negative
200
Which star color is the coolest?
What is red
200
A star's brightness depends on 2 things
What are distance and energy given off
200
A small, hot dense star
What is a white dwarf
200
A group of billions of stars
What is a galaxy
200
During fusion, hydrogen particles combine to form helium and ____________
What is energy
300
Which star color is the hottest
What is blue-white
300
One light-year is how many trillion kilometers
What is 9.5
300
An explosion of a large star
What is a supernova
300
Our solar system belongs to
What is the Milky Way
300
Light cannot escape from __________
What is a black hole
400
One of the largest stars that forms after using up its hydrogen
What is a supergiant
400
Astronomers compare ___________ when measuring very distant stars
What is apparent and absolute magnitude
400
A star that is the size of the sun and will expand after using up its hydrogen
What is a red giant
400
Galaxies are divided into groups by
What are shapes
400
What pair is farthest apart: Earth and the moon Earth and the sun Earth and the night star Earth and Mars
What is Earth and the night star
500
The temperature INSIDE a star is hotter or cooler than the surface (outside)
What is cooler
500
If a star is 25 light-years away from Earth, how long ago did the light leave it
What is 25 years ago
500
The effect when gravity pulls the outer parts of a red giant toward its center
What is a collaspe
500
Everything that exists
What is the universe
500
Stars shine because of _________
What is fusion
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