Theory
Einstein's theory of time passing differently for objects moving in different reference frames?
Special or General Relativity
These black holes are found in the center of every galaxy
Dark stars
Is there a known black hole smaller than XTE-1650-500?
No
If black holes absorb light around them and therefore aren't visible, how do we observe them?
We observe their effects on their environments
What is the process that describes what happens to objects falling into black holes?
Spaghettification
These are a subtype of supermassive black holes with the brightest accretion disks
Quasars
Who came up with the idea of a black hole?
John Michell
What is the largest known black hole?
Phoenix A, with a mass of 100 billion solar masses
When we look at black holes, we are seeing what they look(ed) like... in the past? in the present? or in the future?
in the past
What is at the center of black holes?
Singularity
A black hole that gains mass through collisions with stars and other black holes
Stellar-mass
What is the oldest observatory in the US?
The Hopkins Observatory
What is the nearest black hole to Earth?
Gaia 1
Matter is heated to ___ of degrees as it is pulled toward the black hole, so it glows in X-rays
-hundreds/thousands/millions/billions/trillions?
millions
What part of Interstellar is science fiction?
It is unclear whether these black holes exist
Intermediate-mass
When did Einstein come up with relativity? (General time period)
Before WWI / Start of the 20th C.
What is Cole and Aiden's favorite black hole?
Sagittarius A*, because it is responsible for life in the Milky Way galaxy
What does VLBI stand for?
Very Long Baseline Interferometry
How might black holes die?
Hawking Radiation
The first type of black hole to form, seconds after the birth of the universe
Primordial
Which black hole was the first to be photographed?
M87*
Are there any known habitable planets orbiting black holes?
Not that we know of
What year was Sagittarius A* photographed?
2022