To: SpudFarmer who wrote (1564 ) 3/22/2000 12:51:00 PM From: T L Comiskey Read Replies (1) | Respond to of 12232
Tennis Anyone...? Space Balls Found on Earth ?Buckyballs? Brought Gas From Outer Space to Earth By Deborah Zabarenko W A S H I N G T O N, March 21 ? Weird gases from outer space arrived on Earth in a dinosaur-killing asteroid strike 65 million years ago, and survive in molecular cages called buckyballs, researchers reported today. Buckyballs, lacy-looking molecules made up of carbon atoms, are also known as fullerenes and are named in honor of Buckminster Fuller because they are shaped like the geodesic dome he invented. They can form on Earth but are also born outside our solar system, in hot areas of the universe such as the gas envelopes around embryonic stars. The buckyballs in question, scientists said, came in on the killer asteroid. The gas-carrying buckyballs were found in various parts of the globe, from North America to New Zealand to Denmark, in a layer of sediment laid down after an ancient asteroid impact. ?The buckyballs containing the gases arrived on Earth about 65 million years ago during an asteroid impact that scientists theorize ended the age of the dinosaurs,? said Ted Bunch of NASA?s Ames Research Center in California. Contain Strange Form of Helium The impact of the big space rock may have killed the dinosaurs and most earthly life with its globe-girdling dust cloud, but the sturdy little buckyballs survived with their gaseous cargo intact, Bunch and his colleagues reported in the March 28 edition of the Proceedings of the National Academy of Sciences. Inside the buckyballs was a strange type of cosmic helium, along with other gases, Bunch said in a telephone interview. ?They?re enriched helium 3,? Bunch said. ?We know by the helium signature that it was formed probably outside the solar system ... they?ve trapped them inside [the buckyballs] at the site of formation.? This weird helium shows, as no other evidence has, that buckyballs can transport extraterrestrial gases without letting them escape on the way. Future research may focus on other gases that might have come to Earth in this fashion. ?We?re All Aliens? This research also supports the theory that gases that make up Earth?s atmosphere and organic compounds came to Earth?s surface during the so-called age of bombardment, some 3.8 billion to 4.5 billion years ago, when ?asteroids were running wild in their orbits,? Bunch said. This was the period when the Moon?s craters were gouged out by asteroids, comets and meteors, which also slammed into Earth, Mars and other celestial bodies. Buckyballs probably drifted into the solar system early on, bringing carbon and other material from far away. ?Most of the carbon in our bodies came from outside the solar system,? Bunch said. ?We?re all aliens.?