91AV原创
Tag - comets
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October 27, 2026
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COMETS
JAPAN
/
Science & Health
Oct 2, 2024
University of Tokyo captures images of Tsuchinshan-Atlas comet
The comet can be seen only this time as it does not approach periodically, unlike Halley’s comet.
WORLD
/
Science & Health
Mar 24, 2023
Scientists explain alien comet ‘Oumuamua’s strange acceleration
Hypotheses were floated in light of its unexpected behavior, including fleeting speculation that it might actually have been an alien spacecraft, but a new study has a more sober take.
WORLD
/
Science & Health
Sep 13, 2019
Scientists say newly discovered comet is likely to be an ‘interstellar visitor’
A newly discovered comet hurtling toward the orbit of Mars has scientists scurrying to confirm whether it came from outside the solar system, a likely prospect that would make it the second such interstellar object observed in our planetary neighborhood.
WORLD
/
Science & Health
Jun 29, 2018
NASA unveils program aimed at preventing an asteroid apocalypse
Among Earth’s natural disasters, the one humans probably ponder least is asteroids, huge objects zipping through our solar system at ludicrous speeds.
WORLD
/
Science & Health
Jul 2, 2015
Comet sinkholes big enough to swallow Great Pyramid, Rosetta images show
The comet being studied by Europe’s Rosetta spacecraft has massive sinkholes in its surface that are nearly wide enough to swallow Egypt’s Great Pyramid of Giza, research published on Wednesday shows.
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