'Oumuamua Was Neither Comet nor Asteroid...So What Was It?
WEBOct 21, 2018 · Now a new analysis has found inconsistencies in this conclusion, suggesting that ’Oumuamua may not be a comet after all. Whether it’s actually a comet or an asteroid, one thing is clear ...
Oumuamua: Neither Comet nor Asteroid, but a Cosmic Iceberg
WEBJun 15, 2020 · Now a pair of Yale astronomers have suggested that Oumuamua was neither an asteroid nor a comet. Rather, it was a cosmic iceberg: a chunk of frozen hydrogen. Moreover, it was a primordial...
Scientists Solve 'Alien Spacecraft' Oumuamua Comet Mystery - TIME
WEBMar 22, 2023 · Its high speed—87 km per second (54 mi. per second)—and highly elliptical angle indicated that it originated from deep space, the first known interstellar object ever to enter our solar system. It...
ʻOumuamua - Wikipedia
WEBOn 27 June 2018, astronomers reported that ʻOumuamua was thought to be a mildly active comet, and not an asteroid, as previously thought. This was determined by measuring a non-gravitational boost to ʻOumuamua's acceleration, consistent with comet outgassing.
3 explanations for ‘Oumuamua that aren’t aliens | Science News
WEBFeb 27, 2019 · But if ‘Oumuamua is a strange sort of comet, it could spew water vapor or other noncarbonated gases that Spitzer didn’t detect, which could explain how the object sped up.
The interstellar space rock that mystified astronomers is actually a comet
WEBJun 27, 2018 · A mysterious space rock, first spotted in 2017, bewildered astronomers — was it an icy comet, a rocky asteroid, or something entirely new? As the object, called ‘Oumuamua, hurtles away from us,...
'Oumuamua Was a Comet After All - Sky & Telescope
WEBJun 27, 2018 · Researchers have found that 'Oumuamua — the first confirmed object to enter the solar system from interstellar space — was a comet, releasing just enough gas to subtly change its course.
Oumuamua Was a Comet After All, a Study Suggests
WEBMar 22, 2023 · Now, two astronomers have found what they call “a surprisingly simple explanation” for Oumuamua’s behavior: The object was a comet after all, propelled by minuscule amounts of hydrogen gas...
‘Oumuamua - Science@NASA
WEBThe interstellar object ‘Oumuamua is at the center of this image and circled in blue. It is surrounded by the trails of faint stars that are smeared as the telescopes tracked the moving comet.
A surprisingly simple explanation for interstellar visitor …
WEBApr 3, 2023 · In 2017, a mysterious comet dubbed ‘Oumuamua fired the imaginations of scientists and the public alike. It was the first known visitor from outside our solar system—and it was decidedly odd: it had no bright coma or dust tail as most comets do, it had a peculiar shape, and its small size more befitted an asteroid than a comet.
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