Tags » Brown Dwarfs

A Pair of Lonely Dwarfs

Luhman 16AB is a double star system composed of two brown dwarfs. It’s only about six light-years away, and is the third closest stellar system to Earth—after the triple star system Alpha Centauri and Barnard’s Star. 183 more words

Science

Brown Dwarfs and their Big Siblings

My latest article is up at Sky & Telescope.  I discuss two recent studies suggest that brown dwarfs, or so-called “failed stars,” are nevertheless more like stars than planets. 103 more words

Brown Dwarfs

The Little Stars that Couldn’t[1]

In the cosmic cast of characters, there are shining stars and an assortment of planets orbiting some of those stars like bit players. 408 more words

Degenerate Stars

The Hunt for Life #Aurora #Juno

Aurora on Earth are caused by particles from the Sun interacting with our planet’s protective magnetic field. Without that magnetic field on Earth, we would not be here. 122 more words

Life

A Busy Week

Last week we launched our latest project, Backyard Worlds: Planet 9, and it’s been a busy seven days indeed. Our amazing volunteers have once again demonstrated their awesome power by producing over over 1.5 million classifications while on the hunt for nearby brown dwarfs and our Solar System’s hypothesised ninth planet. 34 more words

Citizen Science

Reintroducing Jonathan Fortney

Jonathan Fortney is a Professor in the Department of Astronomy and Astrophysics, University of California, Santa Cruz, and the director of their Other Worlds Laboratory (owl.ucsc.edu). 96 more words

Planetary Science

Long-period brown dwarfs for WASP-53 and WASP-81

The WASP project has just released the discovery paper for the systems WASP-53 and WASP-81, led by Amaury Triaud. We’ve known about close-in hot-Jupiter planets around these two stars for several years, but the paper had been delayed owing to an interesting development: the radial-velocity monitoring showed that the planets both had longer-period… 230 more words

WASP Planets