M31-RV

v838 monocerotis,light echo

V838 Monocerotis

  • by

V838 Monocerotis is a red variable star also known as Nova Monocerotis 2002, located in the constellation Monoceros.

The star lies at a distance of around 20,000 light years from Earth. It became famous in 2002, when it had a major outburst and briefly became one of the largest stars known and one of the most luminous stars in the Milky Way, with a luminosity about 600,000 times that of the Sun.
Read More »V838 Monocerotis