A variable star is a star whose brightness as seen from Earth that fluctuates.
A variable star is a star whose brightness as seen from Earth that fluctuates.
A variable star is a star whose brightness as seen from Earth that fluctuates.
It is a variable fraction.
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American Association of Variable Star Observers was created in 1911.
Betelgeuse is a semi-regular variable star, meaning it does not have a consistent period like a regular variable star. Its brightness fluctuates irregularly over periods of months to years.
No, it is a continuous process but not a continuous variable. The magnitude of star-shine, across all stars is a continuous variable. The magnitude of a star's shine over time is a continuous variable.
A star who's brightness changes is called a variable star.Examples are:AlgolPolarisBetelgeuse.See related link for more information.
Antares is a slow variable star. All stars are "thermal"
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