Sun compared to larger stars

Videonummer 11930089
Animation of the Sun compared to larger stars. The animation starts with a view of our Sun, Sol. It then pulls back to show the white star Sirius (Alpha Canis Majoris), which is 1.7 times the size of the Sun. Next is the orange giant Arcturus (Alpha Bootis), 26 times the Sun's size. The yellow circles visible are the orbits of the planets in the solar system, with Mercury (innermost), Venus and Earth's orbits visible at this stage. Next is the red giant Aldebaran (Alpha Tauri), 44 times the Sun's size, and the orbit of Mars appears. After this is the blue supergiant Rigel (Beta Orionis), some 78 times the size of the Sun, larger than the orbit of Mercury. This immensely powerful star is the sixth brightest in the sky, despite its distance of some 900 light years. After this is Betelgeuse (Alpha Orionis), an enormous red supergiant some 1180 times the Sun's diameter, which would stretch almost to the orbit of Jupiter if it were in the Sun's place. Even that giant star is surpassed by the vast VY Canis Majoris, the largest star known. It is a red hypergiant thought to have a diameter some 2000 times that of the Sun - if in the centre of the solar system, it would extend past the orbit of Saturn. The orbit of Uranus is the outermost one seen at this stage.
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Garlick, Mark
Modell-Rechte: nicht erforderlich
Eigentums-Rechte: nicht erforderlich
Länge: 35 Sekunden
Seitenverhältnis: 16:9
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