In 2002, the Hubble Space telescope watched as the star V838 Monocerotis exploded in a fiery detonation 600,000 times brighter than our sun. Over four years, the telescope kept watching, and it captured something amazing: instead of gradually petering out, the explosion periodically brightened in what's known as a "light echo."
Echoes Of A Supernova
Learn about the light echoes from another stellar explosion.
How Do Light Echoes Work?
See an illustration of what's happening when you see a light echo.
Supernovae Types Explained
Stars explode in many different ways.
Written by Ashley Hamer November 18, 2016
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