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As NASA warns of five more space rocks heading towards Earth, a Finnish astrophysicist proposes human colonization of the asteroid belt itself within the next 15 years.
As Earth stretches back to the first month of 2021, NASA released a brief, advising that five other asteroids potentially between 25 and 100 meters (82 and 98 feet) in diameter are expected to make close overflights before the end of the month. .
On Tuesday, the 25-meter asteroid BD3 2021, approximately half the diameter of the height of the Arc de Triomphe, will pass the planet at a safe distance of 3.9 million km (3.9 million km miles). Shortly after, an object dubbed 2021 AL, which measures 40 m in diameter or about five London buses from end to end, will pass a distance of 4.1 million km.
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The next stop, Thursday, January 28, will be the 2021 BZ 40-meter space rock, which will exceed 2.1 million km.
To round off a difficult start to the year, on January 29, the 2021 AG7 asteroids, which could be up to 100 m in diameter or the same size as London’s Big Ben, and the 2021 30-meter AF7 will pass Earth at 4.2 million km and 6.8 million km, respectively.
Meanwhile, a forward-thinking astrophysicist proposes that, rather than asteroids coming to us, humans should instead colonize the asteroid belt, in as little as 15 years.
Dr Pekka Janhunen, an astrophysicist at the Finnish Meteorological Institute in Helsinki, has proposed the construction of habitable floating “mega-satellites” orbiting the dwarf planet Ceres, some 523 million kilometers from Earth, among the Earth Belt. asteroids between Mars and Jupiter.
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Like something taken straight from modern sci-fi series, these disc-shaped colonies, connected by powerful magnets, are said to have thousands of cylindrical structures that could house a total of 50,000 people who would all benefit from the artificial gravity generated by the slow rotation of floating cities.
Janhunen also offers Ceres space mining as a way to build an economy and make colonization profitable and sustainable, using space elevators to bring resources back to the pods and potentially come back to Earth for processing.
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