Galaxies
The largest galaxies contain trillions of these.
What are stars?
This is the boundary of the black hole, anything that crosses this boundary cannot escape the black hole.
What is the event horizon?
This category of black holes has a mass between 10 to 24 times that of the Sun.
What are stellar mass black holes?
Most galaxies are between 10 and 13.6 billion of these.
What are years?
All matter that enters a black hole wound up here.
What is the singularity?
This catogory of black holes have masses millions to billions that of the Sun.
What are supermassive or ultramassive black holes?
This galaxy spans 2 million light years and contains 100 trillion stars.
What is IC-1101?
Black Holes were predicted by this famous theory from 1915.
What is the Theory of Relativity?
The largest black hole is 66 billion times the mass of the Sun and its event horizon is about 122 billion miles across.
What is TON 618?
This galaxy contains about a thousand stars and spans about 220 light-years across.
What is Segure 2?
None of this property in the universe can prevent a star from collapsing onto itself and the equation for this property is the mass of the object times the acceleration.
What is force?
This black hole is the smallest black hole with about this much more mass than the Sun.
What are 2-3 solar masses?
We're halfway from the center of our galaxy on the edge of this arm.
What is the Orion Arm?
The first picture of a black hole was taken on this date in 2019.
What is April 10, 2019
The smallest black hole is about 1500 of these units from us.
What are light years?