Variable Star Observation
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ASTRONOMY
Stellar Phenomena
Variable Star Observation
Pulsating stars reveal hidden rhythms that map the universe's vast distances
3 days ago
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What is a key difference between intrinsic and extrinsic variable stars in terms of their brightness changes?
Intrinsic variables change brightness because of orbiting companions, while extrinsic variables change due to internal pulsations.
Both intrinsic and extrinsic variables change brightness only because of their distance from Earth varying over time.
Intrinsic variables change brightness due to internal physical changes, while extrinsic variables change brightness due to external factors like eclipses.
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