ESO

First weather map of brown dwarf

ESO's Very Large Telescope has been used to create the first ever map of the weather on the surface of the nearest brown dwarf to Earth. An international team has made a chart of the dark and light features ...

Jan 29, 2014
4.8 / 5 (23) 6 | with audio podcast

Pinning down the Milky Way's spin

New, very precise measurements have shown that the rotation of the Milky Way is simpler than previously thought. A remarkable result from the most successful ESO instrument HARPS, shows that a much debated, ...

Sep 19, 2008
4.2 / 5 (26) 5

Pulsating star mystery solved

(PhysOrg.com) -- By discovering the first double star where a pulsating Cepheid variable and another star pass in front of one another, an international team of astronomers has solved a decades-old mystery. ...

Nov 24, 2010
4.9 / 5 (21) 5 | with audio podcast

The anatomy of an asteroid

ESO's New Technology Telescope has been used to find the first evidence that asteroids can have a highly varied internal structure. By making measurements astronomers have found that different parts of the ...

Feb 05, 2014
4.6 / 5 (21) 18 | with audio podcast

Exoplanets Clue to Sun's Curious Chemistry

(PhysOrg.com) -- A ground-breaking census of 500 stars, 70 of which are known to host planets, has successfully linked the long-standing "lithium mystery" observed in the Sun to the presence of planetary systems. ...

Nov 11, 2009
4.6 / 5 (21) 15

50 new exoplanets discovered by HARPS

Astronomers using ESO's world-leading exoplanet hunter HARPS have today announced a rich haul of more than 50 new exoplanets, including 16 super-Earths, one of which orbits at the edge of the habitable zone ...

Sep 12, 2011
4.8 / 5 (17) 14 | with audio podcast