The terrestrial planets are
After a supernova, the left over materials from a star can become extremely dense star made of neutrons called a
Which of the following statement is true?
The hottest planet is also the planet that is closest to Earth in size, mass, and density. What is this planet?
A meteor is
If a star is in the bottom left hand corner of the Hertzprung-Russell diagram, what can you determine about it’s brightness and temperature?
A solar flare is
Mercury is
A galaxy is
The speed of light is ______________________. This number is also equal to one ________________ in kilometers.
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