Tags » Brown Dwarf

A Totally Metal Weather Forecast

Scientists have determined that the weather forecast on PSO J318.5-22, a mysterious object that does not orbit any star but floats freely, is pretty extreme. 222 more words


Why exoplanets should have ionospheres and brown dwarfs chromospheres

Do exoplanets have an ionosphere? What does a brown dwarf need to form aurorae even without a companion? Isabel Rodriguez-Barrera and colleagues, including Christiane Helling… 1,195 more words


Brown Dwarfs

A brown dwarf is an object that didn’t quite make it to stardom. It’s sub-stellar without enough mass to sustain hydrogen-1 fusion like a main sequence star. 142 more words


This Week's Science News - 31st July 2015

Earthquakes, Ebola, Brown Dwarves, paralysis, leeches and one very old tooth…. this week in science.

Queensland Earthquake

Over the weekend, residents of south-east Queensland experienced several earthquakes. 666 more words


Too Big to be a Planet, Too Small To be a Star

In space clouds of dust and gas are pulled together by the force of gravity. The particles all contact towards a central point. As it does so, gravitational potential energy is converted into thermal energy, heat, causing the core to heat up. 607 more words


Astronomy: Venus-Mass Planet Orbiting Brown Dwarf

An international team of Polish, Korean, American, Israeli, and Italian astronomers have announced the unusual discovery of a Venus mass planet OGLE-2013-BLG-0723LB/Bb, orbiting a cool brown dwarf star. 359 more words