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Transcript of Blue Stars
Named either for an ancient city in northern Egypt or the helmsman for Menelaus, Canopus is the second brightest star in the sky. This star is 74 light years away.
1) Blue stars heat energy is measured in Kelvin because its a special measurement for stars.
2 )Blue stars are the biggest yet hottest stars in the universe.
3) The blue star Rigel is inside the constellation Orion.
4) Eta Carinae has only been around for a few million years and expected to detonate as a supernova within the next 100,000 years.
5) Eta Carinae is one of the largest stars in the known galaxy, it is designated as a hyper-giant.
6) Blue stars have the shortest life spans because they are the biggest
Regulus (Alpha Leonis) is the brightest star in the constellation Leo and one of the brightest stars in the night sky, lying approximately 79 light years from Earth. Regulus is a multiple star system composed of four stars that are organized into two pairs.
Spica (Alpha Virginis) is the brightest star in the constellation Virgo, and the 15th brightest star in the night sky. It is a blue giant and a variable star of the Beta Cephei type, 250 light years from Earth.
Rigil Kentaurius is the 3rd brightest star in the sky.
Centaurus contains Alpha and Beta Centauri, the third and tenth brightest stars in the sky. (Some lists name Betelgeuse in Orion as the tenth brightest star, but Betelgeuse is a variable star making its ranking difficult). Alpha Centauri (proper name Rigel Kentaurius) is bright only because it is close and it is the closest star to the sun at 4.3 light years away. Alpha Centauri is a triple star system.
Arcturus is the brightest star in the constellation Bootes, which is one of the oldest constellations in the night sky. It is the 4th-brightest star in the entire sky.
Sirius is the brightest star in the Earth's night sky. With a visual apparent magnitude of −1.46, it is almost twice as bright as Canopus, the next brightest star. The name "Sirius" is derived from the Ancient Greek, Seirios.
Just for Mrs.Bogart