Optical Photograph Of The Variable Star Mira
by John Sanford/science Photo Library
Title
Optical Photograph Of The Variable Star Mira
Artist
John Sanford/science Photo Library
Medium
Photograph - Photograph
Description
One of a pair of optical photographs showing the variable star Mira. Mira is a red giant which varies periodically in brightness by a factor of roughly 1700, behaviour which earned it its name; Mira is Latin for wonderful". It has a period of about 331 days. This photograph was taken when Mira was near maximum brightness; it is the bright orange-yellow star in the centre of the image. Photo number R670/023 shows the star near minimum brightness. Mira lies 95 light years away in the constellation of Cetus and is also known as Omicron Ceti or Mira Ceti."
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February 16th, 2021
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