Rho Persei
978-613-2-24070-5
6132240705
208
2010-08-11
59.00 €
eng
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Rho Persei (ρ Per / ρ Persei) is a star in the constellation Perseus. It has the traditional name Gorgonea Tertia. Rho Persei is a semiregular variable star of the μ Cephei type, whose apparent magnitude varies between 3.3 and 4.0 with periods of 50 days and 1100 days. It is of spectral class M4 and is approximately 317 light years from Earth. ρ Persei has a total luminosity of some 3470 times that of the Sun while its radius is 164 times solar. The star has a mass of 3 solar masses while its surface temperature is some 3460 kelvins.
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Fizik, astronomi
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