| Discovery | General | Inside a Black Hole | Formation |
|---|---|---|---|
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Who is Albert Einstein?
This person’s theory of relativity helped pave the way for our modern understanding of black holes.
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What is light; A black hole has an extremely large mass condensed into an area that is relatively tiny. For example, a stellar black hole with a mass of around 10 suns may only be around 30 km across.
The gravity of a black hole is so strong that even _______ cannot escape it.
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What is the event horizon?; The event horizon is the boundary around the mouth of the black hole. Past the event horizon, any object, even light, cannot escape the gravitational pull of the black hole.
This part of a black hole is the "point of no return".
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Black holes form from the remains of a massive star that died in a supernova explosion.
What is the most common way a black hole forms?
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What is the 18th century?
In what century was the existence of black holes first proposed?
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What are stellar and supermassive?
What are the two general types of black holes?
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What is gas?
In some black holes a jet of ____ is emitted in a way that makes the black hole look similar to a wheel on an axle.
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A neutron star and black hole can collide to create powerful explosions that produce another black hole.
What is the second most common way a black hole can form?
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What is 1600 light years away?
How far is the closest black hole that we have discovered so far?
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What is a sphere?
The shape of a black hole is most similar to this.
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What is the singularity?; The singularity is the center of the black hole that has an incomprehensible amount of gravity.
This is the point of a black hole where the volume is near zero, making the density nearly infinite.
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What is 3?
A stellar black hole forms from a star that is ____ times or more the mass of our sun.
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Who are John Mitchell and Pierre-Simon Laplace?
Who were the two scientists that proposed the existence of black holes?
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What is spin?
Certain black holes are able to do this while others cannot.
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What is the ergosphere?
This is the name of the part of the black hole that may be spinning due to gravity.
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What is billions?
A supermassive black hole forms from a star that may be as much as ______’s of times as massive as our sun
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Who is Steven Hawking?
Who is the scientist whose recent addition to the black hole theory helps explain what happens to their energy over time?
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What is a binary black hole?
This is the name given when two black holes are in orbit around one another.
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What is the Schwarzschild Radius?
This is the name of the radius of the sphere past which, light cannot escape.
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What is an atomic nucleus?
Tiny theoretical black holes are believed to be as small as an ______ _______ (2 words)
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