AstroBlog Follow Friday & Weekly Stumbles For 2011-09-16

The powerful jets of radio waves that can explode from monster black holes at the center of galaxies may erupt from much closer to these giants than previously thought, scientists say. Although black holes entrap anything that falls onto them, a vast amount of energy can radiate outward from matter rushing into the black holes. Continue reading

How Planets in Alien Star Systems Stack Up [Infographic]

Alien Solar Systems

The following infographic is a comparison of three alien star systems with our own solar system. It shows the distance at which all the known planets orbit around their stars. As of August 10, 2011, 573 extra-solar planets have been identified, but so far the three systems illustrated below are the record holders for having the most planets. Continue reading