Dad-stronomy 101: Betegeuse


Location: Orion Constellation

Classification: Semi-regular Variable Star (varying brightness)

Distance: ~498 light-years

Alternate Names: “Alpha Orionis”

Apparent Magnitude: 0.4

Meaning of Name: Arabic for “the axilla of Orion”

Fun Facts:

  • ninth-brightest star in Earth’s night sky and second-brightest in Orion Constellation (Rigel)
  • classified as a red supergiant
  • one of the largest and most luminous stars visible to the naked eye
  • Betelgeuse, along with Procyon and Sirius, form the Winter Triangle
  • is expected to explode as a type II supernova within the next million years

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