00:02 GMT +316 November 2018
Listen Live
    Asteroid

    Tunguska Event Lesson? Researches Know How Many Meteors Threaten Earth

    CC0 / UKT2
    Tech
    Get short URL
    1140

    Russia's state emergency center has shared some of the most worrisome scenarios that presumably await planet Earth in the decades to come, and, most importantly, outlined how dangerous the contact with celestial bodies might turn out.

    Large asteroids of up to one kilometer in diameter are feared to come into dangerous proximity to Earth in the coming years, "Antistikhiya" center of Russian Emergency management ministry said.

    Up till 2050, we are expecting 11 events of asteroids approximating Earth closer than the average lunar orbit radius, which is 385 thousand kilometers. The objects vary in size from seven to 945 meters," a document obtained by Sputnik states.

    The most dangerous asteroid is considered to be Apophis, which is 393 meters in diameter. On April 13, 2029 it will travel within 38,400 kilometers  of Earth, which is nearly equal to the location of the geostationary satellite orbits (35.8 thousand kilometers.)

    Its speed of approximation will reach 7.42 kilometers per second.

    READ MORE: Hawking Sheds Light on What Happened Before the Universe Was Born (VIDEO)

    According to "Antistikhiya" center, last year, over 730 asteroids came within 10 million kilometers of Earth. some asteroids bigger than 100 meters in diameter approached within dangerous proximity to Earth nearly 100 times.

    Asteroids exceeding one kilometer in length are deemed large ones. About 120 gigantic asteroid craters can be found on our planet, the biggest one in Russia is the Popigai bowl to the north of Russia’s Siberian platform.

    The catastrophe, which happened 36 million years ago left a considerable crater — 75 to 100 kilometers in size.

    Some researchers even attribute the mass extinction of living organisms to the fall of one large meteorite. Another asteroid, American physicist Luis Alvarez assumes, led to the dinosaurs dying out.

    READ MORE: Russia, China Strike Deal to Jointly Explore Outer Space

    Large falling meteorites correspond to nuclear explosions in terms of the damage they may cause and the blast wave that usually follows. It was a real stroke of luck that the infamous Tunguska meteor of 1908 hit an uninhabited area of Siberia and thus did not have many sad consequences.

    Trees lie strewn across the Siberian countryside 45 years after a meteorite struck the Earth near Tunguska, Russia. (File)
    © AP Photo /
    Trees lie strewn across the Siberian countryside 45 years after a meteorite struck the Earth near Tunguska, Russia. (File)

    Related:

    Mission to the Moon Goes Mobile: Tech Firms Join Race to Put 4G Into Space
    'We're Going to Be Fighting From Space In a Matter of Years' – US General
    ISS Crew Returns Safely From Space Back to Earth (VIDEO)
    The Air Force Awakens: USAF Top Dog Says Space War is ‘Matter of Years Away’
    Tags:
    celestial body, stars, asteroid, research, meteor, space exploration, space, Earth
    Community standardsDiscussion
    Comment via FacebookComment via Sputnik