News tagged with gravitational forces

Dark energy is real, say astronomers

(Phys.org)—Dark energy, a mysterious substance thought to be speeding up the expansion of the Universe is really there, according to a team of astronomers at the University of Portsmouth and LMU University ...

Sep 12, 2012
4.3 / 5 (42) 144 | with audio podcast

New planet discovered in Trinary star system

Until recently, astronomers were highly skeptical of whether or not planets should be possible in multiple star systems. It was expected that the constantly varying gravitational force would eventually tug ...

Jul 14, 2011
4.7 / 5 (24) 4 | with audio podcast

New technique measures mass of exoplanets

To date, scientists have confirmed the existence of more than 900 exoplanets circulating outside our solar system. To determine if any of these far-off worlds are habitable requires knowing an exoplanet's ...

Dec 19, 2013
5 / 5 (21) 0 | with audio podcast