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We're dooomed... DOOOOOOOOooooommmed...

Wall Street Journal: "World Ends Tomorrow - Markets Plunge in Heavy Trading"
New York Times: "World to End Tomorrow - Details and Analysis on Page 13"
U.S.A. Today: "We're Outta Here!"
Washington Post: "World Ends Tomorrow - Women and Minorities Hardest Hit"

Actually, on a somewhat more (or less) serious note...

The energy corresponding to Turco's data is 1.4 1025 erg, approximately the same liberated in the explosion of five hundred hydrogen bombs of one megaton (500 MT); the energy corresponding to Ganapathy's data would be 1000 MT. Estimates as low as 10 MT or 30 MT have also been given (Ben-Menahem [103], Deacon [104]), while La Violette [105] again argues for energies in the range 250 - 1000 MT. An important effect of the Tunguska atmospheric explosion, analyzed by Turco et al., may have been the production of large amounts of nitric oxide (up to 30 million tons), leading to a strong depletion (30%) of the stratospheric ozone.

I read, in a book on the event, that the ratio of radiated energy to mechanical ("blast") energy which was calculated of that event, is *only* possible in a nuclear event - that *no* chemical reaction or ordinary mechanical explosion could have produced the effects found at Tunguska.

I read, in a book on the event, that the ratio of radiated energy to mechanical ("blast") energy which was calculated of that event, is *only* possible in a nuclear event - that *no* chemical reaction or ordinary mechanical explosion could have produced the effects found at Tunguska.

Goodness, that must surely make it true! In a real book, you say? With, like, a cover and everything?

Sorry for the impolite response, but you can find someone to write almost anything, and find someone to publish it as well.

That's actually a good thing. What's disappointing is that you can also get some people to believe whatever someone might write.

For myself, I think I'll believe in conservation of angular and linear momentum instead of 'catastrophical' occurences that violate it.

Kinetic energy is vastly underrated.