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NOVA Black hole Apocalypse

Name

Across
The element all stars die as.
Nothing but gravity.
What is made when a star's mass gets concentrated to a single point.
Our galaxy we live in.
A constellation
An astronaut passing into a black hole will experience this.
Red and blue color change of moving stars.
Infinitely small point of space and time.
Stars locked together by gravity.
Beginning of black hole where no light can escape
Curved spaces
Down
What created the universe
Place where high altitude and low humidity make the ideal place to study astronomy.
How fast waves of gravity travel.
Developed the laws of motion.
Uses atoms to power stars.
When clouds collapse and fusion begins this is formed.
The element all stars begin as.
Collapse of a massive star
Stars are born into this type of "family".