Birth of a Black Hole
Feature Story • May 3, 2013
A new kind of cosmic flash may reveal something never seen before: the birth of a black hole. Surveys such as the Palomar Transient Factory (PTF), are well suited to discover these unique events. The intermediate Palomar Transient Factory (iPTF), which improves on the PTF and just began surveying in Februa...
The "Supernova of a Generation" Shows Its Stuff
Feature Story • December 24, 2011
It was the brightest and closest stellar explosion seen from Earth in 25 years, dazzling professional and backyard astronomers alike. Now, thanks to this rare discovery—which some have called the "supernova of a generation"—astronomers have the most detailed picture yet of how this kind of explosion happens.