Betelgeuse

Betelgeuse

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Description

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Betelgeuse, also known by its Bayer designation Alpha Orionis ( Orionis, Ori), is the 8th brightest star in the night sky and second brightest star in the constellation of Orion, outshining its neighbour Rigel (Beta Orionis) only rarely. Distinctly reddish-tinted, it is a semiregular variable star whose apparent magnitude varies between 0.2 and 1.2, the widest range of any first magnitude star. The star marks the upper right vertex of the Winter Triangle and center of the Winter Hexagon.show more

Product details

  • Paperback | 108 pages
  • 152 x 229 x 7mm | 168g
  • Aud Publishing
  • United States
  • English
  • 6135883755
  • 9786135883756