Support this Site
Become a Six Colors member and get access to an exclusive weekly podcast, community, newsletter and more.By Jason Snell for Yahoo
This Week in Space: Supernova reruns, baby planets, and Mars weather
As a kid, I always found it disappointing to turn on my favorite TV show only to discover it was an episode I’d already seen. Nobody likes reruns. Except for astronomers using the Hubble Space telescope: They’re waiting for the biggest repeat performance in the universe: a supernova.