Black Holes: The Mysterious Phenomenon in Space

1. What is a black hole?

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

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

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

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

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

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

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

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

A) String theory
B) Cosmic microwave background
C) Hawking radiation
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) Hubble Space Telescope
B) Chandra X-ray Observatory
C) Event Horizon Telescope
D) Kepler Space Telescope

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

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

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

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

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) Accretion
D) Gravity accumulation

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