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V838 Monocerotis facts for kids

Kids Encyclopedia Facts
V838 Mon HST
V838 Monocerotis after growing in size.

V838 Monocerotis is a red giant star in the Monoceros constellation. It is famous for undergoing a sudden growth in size in the year 2002. When it happened, the star became 1,570 times bigger than the Sun. However, it shrunk in size - bringing its size to only 380 times bigger than the Sun. It is 20,000 times brighter than the Sun.

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Images for kids

  • V838 nova

    Light echo of V838 Mon as imaged April 30, 2002

  • V838 Milky Way

    Location of V838 Monocerotis within the Milky Way galaxy.

  • V838 Mon 1989-2006

    Animation of 11 images of light echo of V838 Mon

  • V838 Monocerotis light echo (HST, November 2005 and September 2006)

    Two pictures taken in November 2005 and September 2006 showing the changes that occurred to the bright echo of V838 Mon.

  • V838 Mon

    Images showing the expansion of the light echo. Credit: NASA/ESA.

See also

Kids robot.svg In Spanish: V838 Monocerotis para niños

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