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9th Grade Earth Space Science
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
The boundary region of a black hole from which no radiation may escape
the event horizon
the edge
the nothingness
the singularity
2
The bigger the star
longer the life
the shorter the life
3
The H-R diagrams compares
brightness to luminosity
surface temperature to brightness
heat & pressure
surface temperature to luminosity
4
Why don't we see the same constellations throughout the year?
the Earth orbits the Sun
the stars move
the Earth rotates on its axis
We do see the same constellations all year
5
The most massive stars will end up as a
Neutron Star
White Dwarf
Black Hole
Red Giant
6
the energy of stars comes from
nuclear fusion
nuclear fission
7
a light-year is a measure of
distance
time
pressure
heat
8
Where do sun spots form?
Mrs. Savinelli
Corona
Photosphere
Chromosphere
9
Stars that are 10 times the size of our sun will end up as a
White Dwarf
Neutron Star
Red Giant
Black Hole
10
The object of zero radius into which the matter of a black hole is compressed is called
the event horizon
the edge
the singularity
the nothingness
11
Where does nuclear fusion occur?
Corona
Chromosphere
Core
Photosphere
12
Stars the size of our sun will end up as a
Black Hole
White Dwarf
Neutron Star
Red Giant
13
Which is the hottest?
Mrs. Savinelli
Chromosphere
Corona
Photosphere
14
Our sun
will not explode in the future
will explode in the future
15
Neutron stars are mostly
protons
electrons
neutrons
neutrinos
