News tagged with gravitation

Variables of nature

Within physics there are certain physical quantities that play a central role. These are things such as the mass of an electron, or the speed of light, or the universal constant of gravity. We aren't sure ...

Sep 05, 2014 4.8 / 5 (36) 17

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. ...

Aug 28, 2014 5 / 5 (14) 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