Tags » Brown Dwarfs

Real-life sci-fi world #4: Earth around a brown dwarf

Welcome to Real-life Sci-fi worlds.  We are using science to explore life-bearing worlds that are the settings for science fiction stories.  Up today: an Earth-like planet orbiting a brown dwarf. 2,092 more words

Conditions For Habitable Planets

on the Sizes of Stars

Stars are easy to understand.  The definition of a star is pretty clear: Stars are self-gravitating masses of gas* that sustain nuclear fusion in their cores.  689 more words

Astronomy

Introducing John Gizis

This week features John Gizis. He is a professor in the Department of Physics and Astronomy at the University of Delaware in the USA. Instead of studying extremely distant luminous objects  with our most moderrn telescopes, he studies dim, nearby stars— think M, L, T and Y dwarfs. 116 more words

Introduction