Astronomy
yes there is by ian mortensen (Breeze)
Gavity. It has no upper limits. That's why black holes exist.
It depends on what you're studying besides black holes. If you're studying planets along with black holes, you could be an astrophysicist. Or, if you're studying atoms along with black holes, you could be a theoretical physicist. Just a few examples.
Only Micro Black Holes May Be Able to evaporate but this is not proven.
specifically, "astronomers" that study black holes are called cosmologists.
Black holes are that stars which has passed their all life or expired star and it absorb light of sun therefore cant reflect the ligh of sun, so its look like black holes.
None. Black holes are completely black, making them invisible, so it would be pointless to put something you can't see in a constellation.
There are four types of black holes. In size and physical construct.Size:Supermassive: These have a mass of between 105 -> 109 million Suns yet have a diameter of 0.001 -> 10 AU (an AU is approximately 150 million kilometers). It is believed that most, if not all galaxies have a supermassive black hole in their centre.Intermediate mass black hole. These have a mass of around 103 million Suns yet have a diameter of 103 kilometers (About the radius of Earth)Stellar-mass. These have a mass of about 10 million Suns but are only around 30 kilometers in diameter.Micro black hole. These have the mass of a million Moons but are tiny, up to 0.1 mm in diameter.Physical construct:Black holes with no electrical charge, and without rotationBlack holes with no electrical charge, and with rotationBlack holes with an electrical charge, and without rotationBlack holes with an electrical charge, and with rotation.See related links for more information
well for one thing he constantly raises money and awareness for ALS patients. He also is the reason a lot of places, especially in England, have wheelchair access. before him they didnt and people in wheelchairs couldn't go see operas or even go to university because there was no wheelchair access.
Hypothetical celestial bodies that behave in an opposite manner to black holes and rather than pulling everything in they spit matter out. White holes also have a unstable gravity and collapse and turn into black holes.
there two different things
Black holes are created from something extremely dense in a small space. The most common cause is a supernova.