Dark Orion _ The Cause of Dark Orion

How big is Orion, the first star of constellation knowledge?

"Without some biting cold, the society with plum blossom fragrance is a competition field. If you don't move forward, you will be left behind. If you don't struggle, you will sink. No one will pay for your laziness. The harder you work, the luckier you will be! Opportunities always belong to those who run on the road! " Next, let's see how big the first star of Orion is.

The brightness of a first-class star is closely related to its temperature. With the naked eye, we can distinguish the different brightness among the stars. According to different brightness, ancient humans divided starlight into six grades, 1 being the brightest and 6 being the darkest. The brightness difference of each star is 2.5 1 1 times, and the actual brightness difference of 1 and six stars is 100 times.

Alpha is Betelgeuse with an apparent magnitude of about 0.58. It is an M2Iab red Supergiant star with a diameter ranging from 700 times that of the sun to 1000 times.

Beta star is Betelgeuse, with apparent magnitude ranging from 0.08 to 0.20, and its diameter is 77 times that of the sun.

The two largest Orion, Betelgeuse and Red Giant, have a radius of 700- 1000 times that of the sun. Betelgeuse: Blue Supergiant star with a radius 77 times that of the sun. The first star in the constellation Ursa: Bisuwu (Taurus α)-an extremely poor name, as do the following four.

Tara's eta star and nebula: Tara's eta star, a famous variable star.

The first star of Orion: Betelgeuse (Orion α)

Antares: Antares (Scorpio Alpha)

V382 base: Actually, it is the X star of Carina, and the 4-level variable star benefits others.

Unicorn V838: There are only dark stars such as 15.

V 509 (hip113561): a 5-star in Cassiopeia.

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