brown dwarfs

The Webb Space Telescope has spotted something weird: a brown dwarf with what appear to be aurorae, what we Earthlings sometimes call the Northern Lights. What makes the observation particularly surprising is that the brown dwarf doesn’t have a nearby star that could cause such an aurora.Webb Telescope Images the Pillars of CreationAurorae on Earth happen when particles from the Sun interact with gasses in our planet’s atmosphere, along the lines of Earth’s magnetic field. Other planets in our solar system sport aurorae;…

A cold star called WISE J0623 was discovered to be producing radio waves. The star is also known as a brown dwarf star which is located about 37 light-years away from Earth in the constellation of Monoceros, according to Astrophysical Journal Letters.The brown dwarf is too small to be a regular star and too large to be a planet. However, the size of the star is similar to the planet Jupiter which has a magnetic field more powerful than our Sun's, according to the Conversation. About the coolest radio starThe WISE J0623…