What’s Hot?
Listen 00:06:58Quasar 3C 273, that’s what’s hot. – 18 trillion degrees F!
One of the largest black holes ever seen is discovered in the least likely location – an average sized cluster of galaxies in Eridanus, 200 million miles away. How big? 17 billion solar masses!
Jupiter, Saturn, Mars all available for viewing now!
Image: NASA/STScI
WHYY is your source for fact-based, in-depth journalism and information. As a nonprofit organization, we rely on financial support from readers like you. Please give today.