How Rosetta can help decipher a comet’s secrets
Clip: 08/06/2014 | 6m 16s
After a 10-year journey, the space probe Rosetta is orbiting a comet 250 million miles away from Earth. The spacecraft is slated to follow the comet for more than a year on its way toward the sun. Hari Sreenivasan talks to Mark McCaughrean, senior scientific advisor of the European Space Agency, about sifting through a cosmic “garbage pile” in hopes of learning about the building blocks of life.
Aired: 08/06/14
