Shh... Astronomers are Sleeping! (with Vannessa Gressieux)

You might have to watch the sunrise by yourself at Kitt Peak Observatory. At night, astronomers and technicians conduct research and lead tours for the public. But as the sun starts to peek over the Quinlan Mountains, everyone is still asleep. Dean Regas chats with Vannessa Gressieux, the docent and guide coordinator at Kitt Peak National Observatory in Arizona, to learn more.