News tagged with gravitation

Explainer: How does our sun shine?

What makes our sun shine has been a mystery for most of human history. Given our sun is a star and stars are suns, explaining the source of the sun's energy would help us understand why stars shine. ...

22 hours ago 5 / 5 (12) 5

Lives and deaths of sibling stars

This beautiful star cluster, NGC 3293, is found 8000 light-years from Earth in the constellation of Carina (The Keel). This cluster was first spotted by the French astronomer Nicolas-Louis de Lacaille in ...

Jul 23, 2014 5 / 5 (1) 0

Era of astronomical discovery

For much of her professional life, MIT professor Nergis Mavalvala has been devoted to a singular goal: creating a device to detect gravitational waves. These ripples in the fabric of space-time—the signature ...

Jul 08, 2014 4.3 / 5 (10) 6