Evolution of the light echo around V838 Monocerotis

Hubble has returned to the intriguing variable star V838 Monocerotis many times since its initial outburst in 2002, to follow the evolution of its light echo.
The unusual variable star V838 Monocerotis (V838 Mon) continues to puzzle astronomers. This previously inconspicuous star underwent an outburst early in 2002, during which it temporarily increased in brightness to become 600 000 times more luminous than our Sun. Light from this sudden eruption is illuminating the interstellar dust surrounding the star, producing the most spectacular ‘light echo’ in the history of astronomy.


Credit: ESA

Evolution of the light echo around V838 Monocerotis

Hubble has returned to the intriguing variable star V838 Monocerotis many times since its initial outburst in 2002, to follow the evolution of its light echo.

The unusual variable star V838 Monocerotis (V838 Mon) continues to puzzle astronomers. This previously inconspicuous star underwent an outburst early in 2002, during which it temporarily increased in brightness to become 600 000 times more luminous than our Sun. Light from this sudden eruption is illuminating the interstellar dust surrounding the star, producing the most spectacular ‘light echo’ in the history of astronomy.

Credit: ESA


Posted 11 months ago with 4,157 notes
Tagged:V838 MonocerotisAstronomysciencespacestarLight Echogifanimated gif

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