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New vidal sassoon pro series salon genius. brilliantly priced. today's deep dive, skyfall. earlier this month, a pair of major astronomic events gave the world a wake-up call. the fall of a meteor over russia became an internet sensation. the object is believed to be around 50 feet wide and 10,000 tons when it entered the earth's atmosphere injured some 1,200 people when it slammed into earth. the meteor was a surprise, even more so because it came just hours before another cosmic event. later the same day, an asteroid passed about 17,000 miles from earth, closer than some satellites. the as...

Asteroids, over, you know, a decade ago, to now tracking, as you point out, 10,000 to 20,000. your lead-in was really very complete and very good. and it's -- we've come a long way in tracking these things. in 2005, congress directed nasa to be able to track 90% of these objects that are greater than 150 feet. and we're nowhere close to that yet. the goal was to achieve that by 2030. in order to do that would require a much larger program than exists now. but they are seeing more and more of them. so if there is one that poses a real hazard, a more immediate threat to the earth, we have a pret...

Defense, in a way? and if it was, to be a total cynic here, since the defense department always gets the money it wants, would that speed up the ability of nasa to do this? >> well, nasa is now funded at about $20 million for this program. the national academy of sciences said it would take about $50 million a year to be able to reach this goal of detecting and tracking 90% of these. i'm sure your viewers are wondering, why is chuck todd talking about meteors, you know, on the eve of the huge budget cuts. well, you know, there is an appropriate role for government. and in this -- in the days o...

Tunguska event in 1978. an asteroid leveled 800 miles of forest and creating a seismic shock wave as far away as western europe. but the good news, no major asteroids are believed to be on a collision course with earth, though scientists admit they haven't detected all of them. that brings us to what washington can do with them. russ holt is a physicist, former director of the princeton plasma physics laboratory. congressman holt, you know, not everybody that's a member of congress is a physicist, so that's why we like having you on. nasa, i guess the thing that is so disturbing -- the thing t...

Years before. these two objects have put a new spotlight on objects that pose a risk to earth on any given day. most burns up or is so small we don't know it. nasa is aware of some 20,000 pieces of debris that are currently orbiting the earth that are the size of a softball or large. but the real concern is around neos or near earth objects or asteroids that could conceivably enter our atmosphere. 863 are asteroids with a diameter roughly half a mile or larger, which if they struck earth, could produce a major global catastrophe. a study from m.i.t. found that these kind of asteroids only hit ...