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Large mass stars have shorter lives because
star's composition
black hole
they burn their fuel at a higher rate
nebula
parallax
a Hertzsprung-Russell diagram
spiral
distance
_____ is the apparent change in position of an object when viewed from different places.
star's composition
black hole
they burn their fuel at a higher rate
nebula
parallax
a Hertzsprung-Russell diagram
spiral
distance
The Milky Way galaxy has what shape?
star's composition
black hole
they burn their fuel at a higher rate
nebula
parallax
a Hertzsprung-Russell diagram
spiral
distance
What characteristic are scientists trying to determine when they use a spectrograph?
star's composition
black hole
they burn their fuel at a higher rate
nebula
parallax
a Hertzsprung-Russell diagram
spiral
distance
What chart compares a star's surface temperature to its brightness?
star's composition
black hole
they burn their fuel at a higher rate
nebula
parallax
a Hertzsprung-Russell diagram
spiral
distance
This objects has such great gravity that no electromagnetic energy can escape.
star's composition
black hole
they burn their fuel at a higher rate
nebula
parallax
a Hertzsprung-Russell diagram
spiral
distance
Stars begin as a cloud of dust and gas called a
star's composition
black hole
they burn their fuel at a higher rate
nebula
parallax
a Hertzsprung-Russell diagram
spiral
distance
A light year is a measure of what?
star's composition
black hole
they burn their fuel at a higher rate
nebula
parallax
a Hertzsprung-Russell diagram
spiral
distance
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