Meteor Strike
nova

A blinding streak of light screaming across the Russian sky, followed by a shuddering blast strong enough to damage buildings and send more than 1000 people to the hospital. On the morning of February 15th, a 7000 ton asteroid crashed into the Earth's atmosphere, exploded and fell to earth across a wide swath near the Ural mountains. According to NASA, the Siberian Meteor, which exploded with the power of 30 Hiroshima bombs, was the largest object to burst in the atmosphere since a 1908 event near Siberia's Tunguska river. That time there were few eyewitnesses and no record of the event except for thousands of acres of flattened trees. This time however the event was captured by countless digital dashboard cameras, which have lately become a common fixture in Russian autos and trucks. Within days, armed with this unprecedented crowd-sourced material, NOVA crews hit the ground in Russia along with impact scientists as they hunt for debris from the explosion and clues to the meteor's origin and makeup. To understand how lucky we were this time, we explore even greater explosions in the past, from Tunguska to the asteroid that extinguished the dinosaurs 65 million years ago. "Russian Meteor Strike" puts it all together and asks: Is our solar system a deadly celestial shooting gallery - with Earth in the cross-hairs? What are the chances that another, even more massive asteroid is heading straight for us? Are we just years, months or days away from a total global reboot of civilization, or worse?

Duration: 56 minutes and 46 seconds

Episode Number: 4013

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PBS' premier science series helps viewers of all ages explore the science behind the headlines.

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Future Broadcast times for "Nova": (show all)

Thu, May 29 1:00 A.M. Decoding The Universe: Quantum     NHPBS (11.1)
Fri, May 30 3:00 P.M. Decoding The Universe: Quantum     NHPBS (11.1)
Tue, Jun 3 7:00 P.M. The Planets: Ice Worlds     NH World (11.3)
Wed, Jun 4 12:00 A.M. The Planets: Ice Worlds     NH World (11.3)
Wed, Jun 4 8:00 A.M. The Planets: Ice Worlds     NH World (11.3)
Wed, Jun 4 2:00 P.M. The Planets: Ice Worlds     NH World (11.3)
Tue, Jun 10 7:00 P.M. Decoding The Universe: Quantum     NH World (11.3)
Wed, Jun 11 12:00 A.M. Decoding The Universe: Quantum     NH World (11.3)
Wed, Jun 11 8:00 A.M. Decoding The Universe: Quantum     NH World (11.3)
Wed, Jun 11 9:00 P.M. Extreme Airport Engineering     NHPBS (11.1)
Wed, Jun 11 10:00 P.M. London Super Tunnel     NHPBS (11.1)
Thu, Jun 12 1:00 A.M. Extreme Airport Engineering     NHPBS (11.1)
Thu, Jun 12 2:00 A.M. London Super Tunnel     NHPBS (11.1)
Fri, Jun 13 4:00 A.M. Extreme Airport Engineering     NHPBS (11.1)
Fri, Jun 13 3:00 P.M. Extreme Airport Engineering     NHPBS (11.1)
Fri, Jun 13 4:00 P.M. London Super Tunnel     NHPBS (11.1)


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