Black Holes: The Mysterious Phenomenon in Space

1. What is a black hole?

A) A type of star that emits black radiation
B) A gateway to another universe
C) A large celestial body made entirely of dark matter
D) A region of space where gravity is so strong that nothing, not even light, can escape

2. What is the boundary surrounding a black hole beyond which nothing can escape?

A) Quantum field
B) Event horizon
C) Abyssal zone
D) Cosmic void

3. What happens to time near a black hole due to its intense gravitational pull?

A) Time slows down
B) Time speeds up
C) Time freezes
D) Time becomes unpredictable

4. What is the name of the point at the very center of a black hole where density and gravity are infinite?

A) Quasar
B) Singularity
C) Supernova
D) Magnetosphere

5. What theory suggests that black holes emit radiation and gradually lose mass over time?

A) Hawking radiation
B) String theory
C) Cosmic microwave background
D) Big Bang Theory

6. What is the name of the telescope collaboration that captured the first-ever image of a black hole in 2019?

A) Event Horizon Telescope
B) Kepler Space Telescope
C) Chandra X-ray Observatory
D) Hubble Space Telescope

7. What determines the size of the event horizon of a black hole?

A) Its mass
B) Its distance from the nearest star
C) The speed at which it rotates
D) The amount of dark matter it contains

8. What is the term for a black hole with a mass millions to billions of times that of the Sun?

A) Supermassive
B) Gargantuan singularity
C) Mega black hole
D) Ultraheavy anomaly

9. What is the process by which a black hole gains mass by absorbing nearby matter or merging with other black holes?

A) Dark matter fusion
B) Singularity expansion
C) Gravity accumulation
D) Accretion

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