[Fwd: [meteorite-list] Book Review: Meteorite Hunter - The Search for Siberian Meteorite Craters]
From: drtanuki <drtanuki_at_meteoritecentral.com>
Date: Thu Apr 22 09:54:02 2004 Message-ID: <3C64188B.55E75507_at_tkc.att.ne.jp> This is a multi-part message in MIME format. --------------7A412BBA34ECED6EC985E1BB Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Dear Ron, Thank you for the excellent review! Sounds like the "Meteorite Hunter" is a rare species in today's science. What a mentor! Dirk Ross....Tokyo BTW: Shoemaker, Hubble, Izett, and .....hundreds that have stood on the backs of Turtles, Turtles, Turtles.......... --------------7A412BBA34ECED6EC985E1BB Content-Type: message/rfc822 Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-ID: <3C6415E3.CA089150_at_tkc.att.ne.jp> Date: Sat, 09 Feb 2002 03:16:04 +0900 From: drtanuki <drtanuki_at_tkc.att.ne.jp> X-Mailer: Mozilla 4.04 [en] (Win95; I) MIME-Version: 1.0 To: Ron Baalke <baalke_at_zagami.jpl.nasa.gov> Subject: Re: [meteorite-list] Book Review: Meteorite Hunter - The Search for Siberian Meteorite Craters References: <200202081708.JAA12067_at_zagami.jpl.nasa.gov> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Why not a hyper-velocity energized particle? The equivilent of the N-bomb x 10 to the nth? dr..tokyo Ron Baalke wrote: > http://www.space.com/spacelibrary/books/library_gallant_020208.html > > Book Review > space.com > February 8, 2002 > > Featured Book: > > Meteorite Hunter: The Search for Siberian Meteorite Craters > by Roy A. Gallant > > For the last ten years Prof. Roy A. Gallant has been digging around the > notoriously treacherous Siberian wastelands so (thankfully!) you and I don't > have to. > > His mission: To uncover the mystery surrounding what's known today as the > Tunguska Event, the 1908 meteorite impact that was so great it exploded with > a force 2000 times the size of the Hiroshima blast, its shockwave circling > the earth twice. > > But what was the object? A comet's nucleus? Or a stony asteroid? Braving the > region's natural predators (from bears to blood-thirsty bugs), Gallant, > using research never before seen outside Russia, attempts to find answers in > a book that is part history, part travelogue and part scientific inquiry. > > -------------------------------------------------------------------------- > > Q & A WITH THE AUTHOR > > SPACE.com: What's more dangerous, Siberian mosquitoes or rocks from space? > > Roy A. Gallant: I'll take the mosquitoes. At least you can hit back. > > SPACE.com: Because the 1908 meteor exploded aboveground, little is known about the > object. What new insights can you give us? Was it a comet or an asteroid? > > Roy A. Gallant: Not really any new insights into the cause of the event, more a matter of > accumulating evidence tending to support the notion that the exploding > object was a comet nucleus. This is the collective opinion of most Russian > investigators; although some say they cannot confidently rule out a stony > asteroid. Although computer modeling can be helpful, it is not a reliable > substitute for the types of field investigations I report in my book. > > SPACE.com: Based on your research, what did the event look like to an observer standing > at a (barely) safe distance? > > Roy A. Gallant: There was blinding light from the explosion--violent flash accompanied by an > extremelhy hot and violent wind, and there was a pressure wave strong enough > to knock people down. Add to that thunderous noise sounding like batteries > of artillery fire. Than the expansive forest burst into flame. Many close > to the blast were temporarily deafened, struck dumb and speechless, and fell > to the ground in a state of shock. > > SPACE.com: What would happen if a similar event occurred over a metropolitan region? > > Roy A. Gallant: If there had been a difference of one hour when the Tunguska object struck, > it would have exploded over St. Petersburg and killed about 500,000 people. > > SPACE.com: Experts agree it's only a matter of time before a much larger object hits > the planet. How worried are you about the survival of civilization? > > Roy A. Gallant: I'm not at all worried since there's nothing I or any one else can do to > prevent a planet-crunching asteroid a few kilometers in diameter from > largely destroying he civilized world. It's a numbers game. We simply have > no way of knowing when we'll be hit aain.You read a lot of numbers--certain > size asteroids striking Earth every 1000 or 50,000 or 500,000 years. If we > haven't been hit for a long time, does that mean we are likely to be hit > soon? Not necessarily. Any one versed in probability theory can tell you > that the past occurrence of the sum of seven turning up on the next dice > toss has nohing whatever to do with the number of times seven has shown up > in the previous 20 or so tosses. > > SPACE.com: Who are your heroes and how have they influenced your work? > > Roy A. Gallant: I have many heroes in science, among them Charles Darwin and others like him > who devoted a great part of their lives nurturing a old hypothesis and > watching it evolve into theory, and eventually gain the status of scientific > principle, all through theie tireless and methodical collection of evidence. > But sciencetends not to be donw that way any more. Just turn to the title > page of mose major articles in the journals NATURE and SCIENCE and see the > multiple by-lines, sometimes up to a dozen or so investigators. The new > technologies in biology and physics, for example, are making a rarity out of > the potential Darwins or a Copernicus. > > SPACE.com: What most upsets you about science or scientists? > > Roy A. Gallant: There's nothing about science as a means of investigating the natural > worldthat upsets me, even though a scientists' search for truth is bound to > step on toes every now and then. For the most part, I think scientists are a > pretty honest lot with well definedgoals. The scientists who do notfit that > pattern are those who have sold out to the tobacco, nuclear,and certain > other industries that try to convince us that their product or activity is > perfectly safe, when they know just the opposite is true. > > SPACE.com: If you controlled a $1 billion foundation, what research effort would you > fund? > > Roy A. Gallant: Since a billion dollars isn't all that much money these days, I'd look for a > relatively modest research effort, perhaps one directed more toward > education rather than expensive hardware that might teach us how to mine an > asteroid. In the field of astronomy, perhaps an effort to identify the > misconceptions young people hae about basic astronomy, space, space travel, > the nature and probability of life elsewhere in the universe and the > philosophical implicatioins of its discovery. The second, and major, part of > my program would be the preparation, publication, and distribution > ofeducational materials at the junior high and up levels. Such materials > would be relatively inexpensive, and their funds generated would go back > into the program to make it largely self-sustaining. > > SPACE.com: Why should we spend money on space exploration over research into deadly > diseases? > > Roy A. Gallant: I see no reason why we shouldn't be doing both at the same time. > > SPACE.com: What is the most beautiful aspect to space? > > Roy A. Gallant: Its silence and profoundly humbling aspect. > > ------------------------------------------------------------------- > > PREVIEW > > " ... The Russians? conquering hero of Siberia was Yermak Timofeevich, > leader of a band of warriors called Cossacks. The name comes from a Tartar > word meaning 'daredevil,' one who has shunned all ties with his social class > and becomes a free spirit as ready to fight as gulp down a measure of vodka. > The Cossacks came into their own in the 1500s when they avoided the Tartar > yoke of feudalism and serfdom by fleeing to the 'Wild Field' where, > according to Rasputin, 'They founded their own settlements, elected > chieftains called atamans, established laws, and began a free, new life that > was not subordinate to any khanate or czardom.' Nevertheless, to survive > they eventually came to serve the czar and tirelessly vented their patriotic > fervor by defending Russia against her perceived enemies, be they Turks or > Tartars. Their stronghold was the land forming the lower reaches of the Don > and Volga rivers. It was the Cossacks, under the leadership of Yermak, who > played an almost supernatural role in opening up Siberia. They were a proud > and ruthless lot of adventurers who let nothing stand in the way of their > pursuit of wealth. But there were others before them. > > Who were the first Siberians, the mystery people who inhabited the forests > and plains east of the great Rock, or Ural Mountains? Foreigners in ancient > and medieval times reading Herodotus's History were told that 'at the foot > of some high mountains dwell people who are bald from birth and have flat > noses and oblong chins [and who] have goats' feet; and others living beyond > them sleep six months out of the year.' As late as the 1500s, one Russian > written source related old tales describing the Siberians as a people who > ostensibly die to pass the harsh winter months and do not reawaken until > spring. > > Siberia, from a Tartar word meaning 'sleeping land,' is a giant only > slightly smaller than the United States. It extends eastward across northern > Asia from the Ural Mountains to the Pacific Ocean. From west to east in the > north it borders first the Barents, then the Kara, then the Laptev, and > finally the East Siberian seas across the Arctic. It sprawls southward, > first across the tundra, then through the great north coniferous forest > biome called the taiga, and finally over the steppes of Central Asia to its > southern borders with Kazakhstan, Mongolia, and China ..." > > -- from the Preface, 'Meteorite Hunter' > > ______________________________________________ > Meteorite-list mailing list > Meteorite-list_at_meteoritecentral.com > http://www.pairlist.net/mailman/listinfo/meteorite-list --------------7A412BBA34ECED6EC985E1BB-- Received on Fri 08 Feb 2002 01:27:24 PM PST |
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