Size
Discovery/Detection
Major Black Holes
About Black Holes
100
A black hole that is 10-20 times the mass of the Sun. It is formed by a massive supernova explosion.
What is stellar black holes?
100
Thought of the idea of black holes with his theory of general relativity.
Who is Albert Einstein?
100
A supermassive black hole at the center of the milky way galaxy with a mass equal to about 4 million suns.
What is Saggittarius?
100
The outer, event horizon, and singularity.
What are the three layers in a black hole?
200
A black hole with a mass of more than a million Suns. This is the largest type of black hole.
What is supermassive black holes?
200
Coined the term "black hole" in 1967.
Who is John Wheeler?
200
A black hole in the center of the Cygnus A elliptical galaxy: 1 billion times heavier than the Sun.
What is Cygnus A Black Hole?
200
Where all matter is piled into a single point in the center because of the powerful gravitational pull that nothing (not even light) can escape
What is the inside of a black hole?
300
These black holes are formed by massive supernova explosions. These supernova explosions must be from stars than are about 25 times more dense than the Sun.
What is stellar black holes?
300
The first black hole that was discovered (in 1971).
What is Cygnus X-1?
300
A stellar black hole found in Cygnus constellation.
What is Cygnus X-1?
300
A binary system might give away this type of black hole's presence through bright X-rays. For example - Cygnus X-1
What is stellar black holes?
400
This type of black hole is found at the center of almost every galaxy.
What is supermassive black holes?
400
This form of black hole detection utilizes Einstein's Theory of General Relativity. When a black hole passes between a star and the Earth, the black hole acts as a lens because the gravity from the black hole bends the star's light rays and focuses them on the Earth.
What is gravitational lensing?
400
A black hole located in the center of the galaxy that is 30 million times heavier than the sun.
What is Andromeda Black Hole?
400
The inner region of a black hole where the mass lies and is concentrated
What is the singularity?
500
A black hole than forms when stars in a cluster collide in a chain reaction. This type of black hole was recently discovered in 2014.
What is intermediate black hole?
500
This form of black hole detection involves observing the matter falling into the black hole. The matter settles in an accretion disk around the black hole that can get bery hot. Energy is released in the form of light and heat and can be detected by telescopes like the Chandra X-ray Observatory.
What is radiation emission?
500
This black hole does not show up in radio/X-ray images as a source of high energetic activity. It is found at the center of a nearby galaxy.
What is the Andromeda Black Hole?
500
The boundary around the mouth of the black hole where light loses its ability to escape
What is the event horizon?
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