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Dwarf

Main Sequence Star

Comparative Size of a Dwarf

A typical dwarf star, such as our own Sun, compared with the giant and supergiant stars Aldebaran and Antares.

A star of roughly the same size as Earth's Sun, or smaller. 'Dwarf' is perhaps an unhappy term; it is used simply to distinguish these stars from 'giants', and doesn't imply that they are particularly small.

19 50 47.000 +08 52 5.96
FoV: 2.99°
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Altair in Aquila is one of the nearest dwarf stars to the Solar System, at a distance of just seventeen light years. Though a main sequence star like the Sun, Altair is considerably hotter and more luminous, and has a diameter nearly twice that of the Sun. Imagery provided by Aladin sky atlas

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