V838 Monocerotis Star
by Nasa
Title
V838 Monocerotis Star
Artist
Nasa
Medium
Photograph - Photograph
Description
Expanding light echoes illuminate the dusty environment of V838 Monocerotis, the star near the edge of our Galaxy. After detecting a sudden outburst from the star in 2002, astronomers have followed the flash expanding at the speed of light through pre-existing dust clouds surrounding the reddened variable star. While the expanding light echoes are dramatic astronomers have struggled to understand where V838 Monocerotis itself fits into the stellar life cycle. Studies show the V838 Monocerotis is a young binary system with a massive star responsible for the outburst. The Hubble image spans about 14 light-years at the estimated 20,000 light-year distance to V838 Monocerotis. The image was produced from Hubble data and was recorded on October 23rd of 2004.
Uploaded
May 30th, 2013
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