Understanding Black Holes
What this deck covers
- Focus
- Astrophysics & Cosmology
- Practice shape
- Standard practice
- Question mix
- 11 multiple choice · 2 written
- Coverage
- 2 study sections
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What are some ways black holes can become larger over time?
- A)He proposed the existence of dark stars with gravity too strong for light to escape
- B)He discovered the first black hole using telescopes
- C)He explained how black holes destroy nearby stars
- D)He defined black holes as empty regions of space
- A)Albert Einstein
- B)Stephen Ornes
- C)John Michell
- D)Marta Volonteri
- A)Hubble Space Telescope
- B)Kepler Space Telescope
- C)X-ray telescopes
- D)Event Horizon Telescope
- A)Less than one time the mass of the sun
- B)Approximately three times the mass of the sun
- C)More than ten times the mass of the sun
- D)More than thirty times the mass of the sun
- A)By merging with other celestial bodies
- B)By emitting energy
- C)By absorbing light and matter
- D)By undergoing supernova explosions
- A)What causes black holes to collapse?
- B)Why do galaxies host giant black holes?
- C)How do black holes emit light?
- D)What happens when black holes merge?
- A)True
- B)False
- A)True
- B)False
- A)True
- B)False
- A)True
- B)False
- A)True
- B)False
What mysteries surround black holes in galaxies?
What significant prediction did John Michell make in 1783 regarding black holes?
What proposed the existence of black holes as dark stars with strong gravity in 1783?
What technology was used to capture the first image of a black hole in 2019?
What is the density of the smallest known black holes compared to the mass of the sun?
According to the source, how do black holes typically grow in size over time?
What question do scientists still struggle to answer regarding supermassive black holes?
John Michell proposed the existence of dark stars in 1783?
Albert Einstein's theory of general relativity does not predict the existence of black holes.
The Event Horizon Telescope is a single device used to capture images of black holes.
The first direct image of a black hole was captured in 2019.
Astrophysicists fully understand why galaxies host giant black holes.