Question
Who coined the term ‘Black Hole’?
Solution
Sol. The term Black Hole was first used by physicist John A. Wheeler in 1967. A black hole is a region in space where gravity is so strong that even light cannot escape. Information Booster:
- Black hole studies are based on Einstein’s theory of relativity.
- It forms a "singularity."
- Types include stellar , supermassive , and primordial black holes.
- Gravitational waves provide evidence for their existence.
- Vipin Sharma: Fictional name.
- H.N. Bhaga: Indian astronomer.
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Soil property not alterable by tillage:
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