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V838 Monocerotis Dissolve Sequence of Epochs

A dissolve sequence of eight images taken by Hubble's Advanced Camera for Surveys shows a CAT-scan-like probe of the three-dimensional structure of the shells of dust surrounding the aging star V838 Monocerotis. The sequence reveals dramatic changes in the way a brilliant flash of light from the star is reflecting off surrounding dusty cloud structures. The effect, called a light echo, has been unveiling never-before-seen dust patterns ever since the star suddenly brightened for several weeks in early 2002.
  • Release Date
    October 26, 2006
  • Science Release
    Hubble’s Latest Views of Light Echo from Star V838 Monocerotis
    Read the release
  • Credits
    NASA, ESA, and G. Bacon

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Related Images & Videos

Hubble's Latest Views of Light Echo from Star V838 Monocerotis

Hubble's Latest Views of Light Echo from Star V838 Monocerotis

These are the most recent NASA Hubble Space Telescope views of an unusual phenomenon in space called a light echo. Light from a star that erupted nearly five years ago continues propagating outward through a cloud of dust surrounding the star. The light reflects or "echoes" off...

V838 Monocerotis - November 2005

V838 Monocerotis - November 2005

V838 Monocerotis - September 2006

V838 Monocerotis - September 2006

Close-Up of Light Echo Around V838 Monocerotis (September 2006)

Close-Up of Light Echo Around V838 Monocerotis (September 2006)

A detailed look at the V838 Mon light echo from September 2006, taken with the Hubble Space Telescope.

Zoom into the Light Echo V838Mon

Zoom into the Light Echo V838Mon

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Last Updated
Mar 14, 2025
Contact
Media

Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov

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