Hubble's Variable Nebula
by Nasa/esa/stsci/hubble Heritage Team/science Photo Library
Title
Hubble's Variable Nebula
Artist
Nasa/esa/stsci/hubble Heritage Team/science Photo Library
Medium
Photograph - Photograph
Description
Hubble's variable nebula. Hubble Space Telescope image of Hubble's variable nebula (NGC 2261). This nebula is illuminated by the star R Monocerotis (lower left). R Monocerotis is a variable star and is only 300,000 years old. The nebula varies also, although not with the star. Dense knots of dust near the star block some of its light from reaching the nebula. As these knots move around, the amount of light reaching the nebula changes, leading to its variations. The nebula lies around 2500 light years from Earth in the constellation Monoceros. Both the nebula and the telescope are named after the American astronomer Edwin Hubble.
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February 25th, 2021
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