Astronomers have discovered a unique and exotic star system with a very cool methane-rich (or T-) dwarf star and a ‘dying’ white dwarf stellar remnant in orbit around each other. The system is a ‘Rosetta Stone’ for T-dwarf stars, giving scientists the first good handle on their mass and age.
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Astronomers have discovered one of the coolest sub-stellar bodies ever found outside our own solar system, orbiting the red dwarf star Wolf 940, some 40 light years from Earth.... Read Post
Astronomers have discovered a "super-Earth" orbiting a red dwarf star 40 light-years from Earth. They found the distant planet with a small fleet of ground-based telescopes no larger than those many amateur astronomers have in their... Read Post
The European Space Agency's XMM-Newton orbiting X-ray telescope has uncovered a celestial Rosetta stone: the first close-up of a white dwarf star, circling a companion star, that could explode into a particular kind of supernova in ... Read Post