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Science/Tech See other Science/Tech Articles Title: Threat of asteroid collision higher than previously thought – study RT... The likelihood of an asteroid smashing into Earth is increasing, according to new research from a team of Czech scientists which discovered new asteroids traveling around our planet. READ MORE: 'Great meteors of fire' Taurid to light up night sky The team studied 144 large meteors from the Taurids, a meteor stream which appears in our skies twice a year. The group discovered a new branch of the phenomenon containing at least two asteroids measuring a whopping 200-300 meters (220-330 yards) in diameter. This branch likely includes even larger undiscovered asteroids, according to a statement from the Academy of Sciences of the Czech Republic. The Taurid meteoroid stream produces at least four meteor showers over Earth: two are active from the end of September until the beginning of December, and two from the end of May to the middle of July. Earth encounters the newly discovered branch every few years for about three weeks. Scientists say that during this time the chance of an impact with a sizeable asteroid – measuring up to tens of meters – is significantly greater. © Academy of Sciences of the Czech Republic The meteors analyzed by the Czech astronomy team were from 2015 when the stream’s activity was enhanced. Details of the study are published in Astronomy & Astrophysics, The new digital autonomous observatories of the European Fireball Network spotted the fireballs over Czech Republic (at 13 stations), Austria (1 station) and Slovakia (1 station). The researchers say further study is vital to gain a better understanding “of this real source of potentially hazardous objects,” warning that the meteors could cause significant regional or even continental damage. READ MORE: Whopping 2,000ft-wide asteroid on course to hurtle past Earth (IMAGES, VIDEO) Poster Comment: One would think that over billions of years the number of earth-hitting asteroids would have diminished to near zero. Post Comment Private Reply Ignore Thread Top • Page Up • Full Thread • Page Down • Bottom/Latest
#1. To: Tatarewicz (#0)
The risk is low in a human lifetime. An astroid big enough to take out a city will hit once every 200 to 500 years. An astroid big enough to take out a state will hit once every 20,000 years. And, an astroid big enough to take out a country will hit once every 100 million years. An astroid big enough kill 99.9% of all life will hit once every 2 billion years.
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