Physics · Black Hole
Why are black holes considered invisible and impossible to observe directly?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Because they are made entirely of dark matter
- 2Because they continuously emit radiation that masks their visual presence
- 3Because they are located only at the edges of the observable universe
- 4Because their gravitational field is so strong that even light cannot escape them✓
Correct answer
Because their gravitational field is so strong that even light cannot escape them
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