Sirius
Sirius is the brightest star in the night sky, with a visual apparent magnitude of -1.46, almost twice as bright as Canopus, the next brightest star. The name Sirius is derived from the Ancient Greek. The star has the Bayer designation a Canis Majoris. What... Viac o knihe
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Sirius is the brightest star in the night sky, with a visual apparent magnitude of -1.46, almost twice as bright as Canopus, the next brightest star. The name Sirius is derived from the Ancient Greek. The star has the Bayer designation a Canis Majoris. What the naked eye perceives as a single star is actually a binary star system, consisting of a white main sequence star of spectral type A1V, termed Sirius A, and a faint white dwarf companion of spectral type DA2, termed Sirius B.
- Vydavateľstvo: Betascript Publishers
- Formát: Paperback
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- ISBN: 9786130303457
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