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The lifetime of a star depends on its
to be above part of the atmosphere
size and temperature
mass
A cloud of gas and dust
It will remain the same size
nuclear fussion starts
the distance that light travels in a year
high-mass star
The solar system formed from
to be above part of the atmosphere
size and temperature
mass
A cloud of gas and dust
It will remain the same size
nuclear fussion starts
the distance that light travels in a year
high-mass star
A star is born when
to be above part of the atmosphere
size and temperature
mass
A cloud of gas and dust
It will remain the same size
nuclear fussion starts
the distance that light travels in a year
high-mass star
Absolute brightness of a star depends on
to be above part of the atmosphere
size and temperature
mass
A cloud of gas and dust
It will remain the same size
nuclear fussion starts
the distance that light travels in a year
high-mass star
A supernova is the explosion of a dying
to be above part of the atmosphere
size and temperature
mass
A cloud of gas and dust
It will remain the same size
nuclear fussion starts
the distance that light travels in a year
high-mass star
What is likely to happen to the universe in the future?
to be above part of the atmosphere
size and temperature
mass
A cloud of gas and dust
It will remain the same size
nuclear fussion starts
the distance that light travels in a year
high-mass star
A light-year is
to be above part of the atmosphere
size and temperature
mass
A cloud of gas and dust
It will remain the same size
nuclear fussion starts
the distance that light travels in a year
high-mass star
Why are many large optical telescopes located in mountains?
to be above part of the atmosphere
size and temperature
mass
A cloud of gas and dust
It will remain the same size
nuclear fussion starts
the distance that light travels in a year
high-mass star
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