Light echoes from exploding star

Light echoes from exploding star

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This image is part of the feature Hubble Space Telescope 25th Anniversary
This image is part of the feature 25 Years Of The Hubble Space Telescope


Caption: Light echoes from an exploding star. Image 4 of 4. Hubble Space Telescope image of an illuminated dust shell around the star v838 Monocerotis. This star underwent a massive brightening in January 2002, temporarily becoming the brightest star in the galaxy. The light from this outburst reflects from a series of dust shells around the star, which are thought to have been ejected during previous activity. The phenomenon allows study of the fine structure of the dust shells, which could help explain why the star behaves as it does. Image taken on 17th December 2002. For a sequence of images taken over the year, see R730/069-072.

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Keywords: 17th december 2002, astronomical, astronomy, astrophysical, astrophysics, cosmology, dust, exploding, gas, hst, hubble, light echoes, nova, outburst, reflected, reflection, science, shell, shells, space, speed of light, star death, stellar, telescope, universe, v838 monocerotis

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