True/False: We can detect or find black holes by watching how the stars orbit.
True
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15
True/False: We have a possible Black Hole in our Solar System.
True-It is currently called โplanet 9โ because scientists donโt know for sure if it is a black hole or another planet.
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15
True/False: There are about 125 billion galaxies in the observable universe & it is believed most of these have supermassive black holes in the center of them.
True
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15
What is the area around a singularity called where matter or energy can escape from-The Point of No Return
The Event Horizon
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15
Why is the gravity so strong at the center (singularity) of a Black Hole?
Because all matter is being pulled in to such a small area so the gravity become super-intense.
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15
What is the bright ring around the event horizon called which is caused by all the matter swirling around, getting hotter and hotter & turning into light?
Photon Sphere
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15
How do scientists think an Intermediate black hole is formed?
Two black holes merge together, or collide to form a larger one usually 100 to 1,000 times the mass of the Sun.
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15
True/False: If you fell into a black hole, you would be stretched out like a piece of spaghetti, and time & space would change for you.
True-This is called Spaghettification
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15
Which type of black hole is known for being super small & even though it is very heavy, can actually be the size of a hair?
Mini or Macro Black Holes
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15
What are the different types of black holes dependent on?
Weight or Mass
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monster
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fairy
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fairy
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baam
Lose 25 points!
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trap
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magnet
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fairy
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thief
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True/False: The Relativistic jet is the center of a black hole where matter collapses.
False-They are jets of particles & radiation that blast out near light speed as a star is absorbed by a black hole.
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15
True/False: Our galaxy, the Milky Way, has about 1,000 black holes.
False-There are between 10 million to 1 billion Black Holes in our Galaxy.
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lifesaver
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shark
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fairy
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thief
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True/False: We can detect or find black holes if we see a big black area in space.
False-we cannot see the singularity or the event horizon, so we must watch for the matter & how it is reacting to the black hole or how the stars are reacting.