and does not appear to be an alien spaceship
space object Oumuamua discovered in 2017 was a strange case. The elongated comet is probably from outside our solar system. Could it be a spaceship with aliens? Based on research from SETI Institute, that theory can probably go into the trash.
The SETI Institute , an American institute that conducts research into extraterrestrial life, wanted to know if Oumuamua, who last week briefly honored our solar system with a visit, should be seen as a comet, asteroid or perhaps an extraterrestrial spaceship. To this end, the institute used its own Allen Telescope Array telescope. This is a system made up of 42 different radio stations in the north of California, with which a year ago between November 23 and December 5, listened to signals from Oumuamua. The object was then about 275 million kilometers from the earth.
The researchers listened to signals with frequencies between 1 and 10 GHz and with a frequency resolution of 100 kHz. During the search, it was possible to detect omnidirectional radio beacons with a capacity of 30 to 300 milliwatts. After background noise was removed, nothing appeared to have been collected that could be attributed to Oumuamua. Moreover, no radio signals were detected during another project .
Almost everything about the object is strange. The track is remarkable and proves that the thing comes from another galaxy, which has not been observed before. In addition, the object is very clear and probably has an elongated shape; the latter is uncommon for regular comets and asteroids. In addition, the object accelerates without gravity from another celestial body appearing to be responsible for it; this acceleration may be related to gases escaping from the object.
In theory, it can still be an alien spaceship with very good stealth technology, but for the time being the cigar-shaped object will remain as a comet and no signs of ET have been found. The latter will also no longer succeed, because the probably 400-meter-long object has been out of reach of the most powerful telescopes for a year. Astronomers were able to follow Oumuamua for only ten days at the end of last year, partly because the thing reached dizzying speeds of up to 315,000 km / h. The new study of the SETI Institute will appear in the journal Acta Astronautica next February.
Render of how Oumuamua looks like
The journey through our solar system that Oumuamua covered in a period of roughly a few monthsViewing:-21
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