Is there at least some truth in what popular publications are trying to convey in order to attract the attention of naive readers?
So, a potentially dangerous astronomical object is considered to be a cosmic body (asteroid or comet) that can approach the Earth close enough to fall to the surface and cause serious damage.
To do this, the object needs to approach the Earth at least 0.05 astronomical units (19.5 times farther than the Moon ) and have a diameter of at least 100 meters.
Such “dates” occur quite often, sometimes several times a year. However, falls to the Earth happen much less often – about once every 10,000 years.
In 2012, the number of known potentially dangerous astronomical objects approached 5,000, and by 2020, 35% of this number was under close observation.
To classify space threats, scientists have introduced scales such as Palermo and Turin. The second scale is usually used and the highest level of danger (4 points out of 10) in 2006 was assigned to the asteroid Apophis.
However, in 2020, this assessment was found to be erroneous, and Apophis turned out to be very harmless, but interesting to study.
Is there at least one object today that really threatens our planet and our civilization?
Today and the next 100 years, you can sleep peacefully. There is not a single object in the vicinity of the Earth that could reach the surface of the planet and cause serious damage.
At this LINK, you can independently monitor potentially dangerous astronomical objects and observe the amazing zeros (probability of falling) that show off on the far right scale.
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