Tag Archive: quasars

Jun 21

What is Dark Matter? – Science Concept of the day!

Dark matter is a mysterious form of matter which exerts gravitational effects on ordinary matter but cannot be observed via any other means. While conventional matter can be detected through stellar activity, light scattering, radio emissions, and other means, dark matter clouds are invisible to the vast majority of our instruments. Yet they constitute 90% – 99% of the matter in the universe.

Permanent link to this article: http://www.explainstuff.com/2009/06/21/what-is-dark-matter-science-concept-of-the-day/