Walkabout the Galaxy

The astroquarks explore our origins with from the ancient fossil Lucy to the upcoming asteroid mission of the same name. They then head for the stars, including a nearby one with a potentially habitable planet, and re-examine the case for dark energy. You're not going to want to miss this one, for the science, the trivia, and a special sponsor message. 

Direct download: Lucy_TESS_and_the_Dark_Energy_Mess.mp3
Category:Science -- posted at: 10:00pm EST