PDA

View Full Version : HARPS Tunes In On “Noisy” Planets



Fraser
2011-Aug-10, 01:10 AM
Able to achieve an astounding precision of 0.97 m/s (3.5 km/h), with an effective precision of the order of 30 cms-1, the High Accuracy Radial velocity Planet Searcher (HARPS) echelle spectrograph has already discovered 16 planetary objects in the southern hemisphere and has now logged four more. And that’s only the beginning… (...)Read the rest [...]

More... (http://www.universetoday.com/88071/harps-tunes-in-on-noisy-planets/)