News tagged with sun

Related topics:

Transiting exoplanet with longest known year

Astronomers have discovered a transiting exoplanet with the longest known year. Kepler-421b circles its star once every 704 days. In comparison, Mars orbits our Sun once every 780 days. Most of the 1,800-plus ...

Jul 21, 2014
4.8 / 5 (11) 1

A cometary graveyard

A team of astronomers from the University of Anitoquia, Medellin, Colombia, have discovered a graveyard of comets. The researchers, led by Anitoquia astronomer Prof. Ignacio Ferrin, describe how some of these ...

Aug 02, 2013
4.4 / 5 (14) 1 | with audio podcast

Dating our galaxy's dormant volcano

(Phys.org) —A dormant volcano—a supermassive black hole—lies at the heart of our galaxy. Fresh evidence suggests that it last erupted two million years ago.

Sep 23, 2013
4.7 / 5 (24) 5 | with audio podcast

Rotation of planets influences habitability

There are currently almost 2,000 extrasolar planets known to us, but most are inhospitable gas giants. Thanks to NASA's Kepler mission, a handful of smaller, rockier planets have been discovered within the ...

Aug 08, 2014
4.9 / 5 (21) 14