Geography · Astronomy and Nebulae
How can an astronomical dark nebula be detected or observed by astronomers if it does not emit any light of its own?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1By obscuring or blotting out the light of the stars lying beyond it✓
- 2By measuring its high emission of thermal green visible lasers
- 3By observing its continuous reflection of planetary auroras
- 4By tracing the magnetic compass deviations on Earth's surface
Correct answer
By obscuring or blotting out the light of the stars lying beyond it
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