30-Second Astronomy : The 50 most mindblowing discoveries in astronomy, each explained in half a minute
(Reklamlänk)
How hot is Venus? Can you distinguish between a pulsar and a quasar? Is there a universe or a multiverse? Where do we fit into the infinitely grand scheme of things? How do we map the Cosmic Microwave Background? Most tantalizing of all: Is there anyone out there? The answers to these and many othe
