Hannes Gröller has been looking for fatal floors from space in the US for years. How the Burgenländer wants to retain the earth of the impact of asteroids, he says the “Krone”.
His house is Burgenland, his workplace The Arizona Desert in the United States of America, and his mission: the search for fatal floors from space. But the story of Hannes Gröller started anything but spectacular. His path led him over the HTBL Pinkafeld, TU Graz and the Karl-Franzens Uni Graz to the University of Arizona and therefore to an adventure that plays in the vastness of the universe.
Hannes Gröller is part of one of the most important asteroid search programs in NASA, the Catalina Sky Survey for eight years. With his work he strives for the goal of protecting the earth against potentially dangerous asteroids (so -driven Phas) – heavenly bodies that can get dangerously close to us: “Most asteroids that enter the atmosphere of the earth are very small and we see them as beautiful shooting stars and nothing.
NASA has been running for 27 years, in which the Burgenland is considerably involved. He has already discovered nearly 1200 objects close to the earth, including 35, which may be classified and are therefore larger than 140 meters and get closer to the earth than 7.5 million kilometers. But don’t panic: “That does not mean that these objects are on a collision course,” says Gröller. “We constantly check their lanes and can recognize a danger at an early stage.”
His work is to look for new objects: “Every night we scan the air with our telescopes to find new, still unknown asteroids. We watch films with four photos where stars are solved, and the objects that move between the stars are the asteroids.”
In the long winter nights you can search Gröller and his colleagues up to 15,000 “short films” of the air every evening to check whether these are real objects or not. Boredom does not arise, but the future prospects with regard to the cutbacks on NASA make a headache. Optimism is the best companion of the astronomer, especially because it is important to monitor these potential dangers.
“The chance of an asteroid impact is very low, but the consequences can be devastating,” says Gröller with regard to the meteorite attack in Russia in 2013 with more than 1000 injuries as a result of broken glass windows. And so his search for dark dangers in the air after night – driven by the hope of making the invisible visible before it’s too late.
Source: Krone
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