Brightness
Lifetime of stars
HR diagram
100
The brightness of a star seen from earth
apparent brightness
100
the term used to describe a baby star
protostar
100
Who made the HR diagram
Henry Russell and Ejnar Hertzsprung
200
A stars actual brightness
absolute brightness
200
True or false: A small star can cause a supernova
false
200
What is the coldest color of a star on the HR diagram
red
300
The lower the number the brighter the star
true
300
an explosion caused by a big star
a supernova
300
What is the hottest color on the HR diagram
blue
400
Which star is brighter star a which absolute brightness is -6 or a star which absolute brightness is -6.5
the star with the absolute brightness of -6.5
400
an object with such gravitational pull that not even light can escape
black hole
400
Which on is hotter white dwarf or yellow stars
White dwarf
500
True or false: The higher the absolute magnitude number, the brighter the star
false
500
True or false: A neutron star is the size of a school building
false it is the size of a city
500
Which category is our sun is in
yellow
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