The Moon could be the most efficient method of obtaining evidence of alien life, as suggested by a groundbreaking new scientific publication. The Harvard astronomers Professor Abraham Loeb and Manasvi Lingam propose in a new article, how the lunar surface could act as a "fishing net" for interstellar objects. Such objects from outside our solar system could accumulate over time on the lunar surface and possibly store the building blocks of life around other stars.
The couple wrote in their work: "The absence of a lunar atmosphere guarantees this. These messengers do not burn on their way, but instead reach the lunar surface.
"In addition, the moon's geological inactivity implies that the recordings deposited on its surface are preserved and do not mingle with the deep interior of the moon.
"The lunar surface served as a natural mailbox, collecting all the bouncing objects in the last billions of years.
" Most of this "post" came from our neighborhood within the solar system.
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Space scientists now know that the solar system also intercepts external objects from interstellar space.
These range from dust particles les to free-floating planets and stars.
The first interstellar object, the 200-meter-long cigar-shaped "Oumuamua", made headlines worldwide when it was first reported in 201
And earlier this year, another one became experimental discovered in the form of a meter-long meteor from outside the solar system after burning in our atmosphere in 2014.
Assuming that these interstellar meteors enter the solar system on random trajectories, Professor Loeb and his team estimated the amount of interstellar material that was collected in the course of its history on the surface of the moon.
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And although moon rocks were famous Returned to Earth from the NASA Apollo mission, they were probably contaminated by human hands.
In their view, this is the reason why there is so far no evidence that interstellar impactors are the building blocks of extraterrestrial life on the lunar surface.
Professor Loeb wrote in Scientific American: "The basic question is whether far-off life resembles the biochemical structures we find on Earth.
"Similarities could mean that there is a unique chemical life path Everywhere or everywhere
life was transferred between systems.
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Sending spaceships on extremely long missions to visit other star systems.
Getting similar information from a trip to the nearest star system: Alpha Centauri A, B or C, would take almost nine years, even if the spaceships would fly on Earth in nature, allowing maximum speed, speed of light.
Meanwhile, chemical rockets were able to cover this journey only a hundred thousand years ago, in the time that had passed since the beginning of the migration of the first modern humans from Africa.
Harvard astronomers conclude: "The excavation of the lunar surface for physical evidence of etraterrestrial life is dramatically faster."