NASA warns: Earth threatened by 4700 asteroids
According to a NASA warning, about 4,700 asteroids are close enough to Earth and could pose a danger to our planet. The U.S. Space Agency claims that the asteroids featuring real threats, are large enough to pass through Earth’s atmosphere without being affected and thus causing regional disasters in the case of an impact.
The asteroids are on average larger than a football stadium and they usually approach the Earth at a speed of over 8 million km/h.
Until now, only 20-30 percent of the potentially hazardous asteroids were discovered.
The observations were madeby using the WISE program, which uses infrared rays to scan asteroids’ heat.
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Latest figures confirm that there are twice as many dangerous asteroids than previously thought.
NASA’s revealings will obviously lead to new speculations regarding the much-debated apocalypse scenarios.
NASA reveals that about 4700 potentially hazardous asteroids could target the Earth