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Variable stars can brighten and fade in a regular pattern. A few reasons for this occurrence are shrinking and expansion, or the star's light being eclipsed by a companion object.

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8y ago

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A pulsating variable star brightens and fades in a regular pattern due to periodic changes in its size, temperature, and luminosity. These stars can be categorized into different types, such as Cepheid variables and RR Lyrae stars, based on their specific properties and pulsation periods.

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9mo ago
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Q: What kind of star brightens and fades in a regular pattern?
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