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Comet's Hourglass-Shaped Dust Tail

Dragon
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Comet's Hourglass-Shaped Dust Tail Empty Comet's Hourglass-Shaped Dust Tail

Post by Dragon Fri May 06, 2022 2:44 am

Researchers from Finland, Canada, and Russia have discovered an unusual, hourglass-shaped dust trail of the comet 17P/Holmes.

The particles that formed the dust trail were released by the most powerful of the thus-far documented outbursts by a comet.

It happened in October 2007.

Astronomers carried out observations of the cometary dust trail using telescopes in Australia, Finland, and the U.S.

The first stage of observations lasted from 2013 to 2015, and the second one was from 2020 to 2021.


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Comet's Hourglass-Shaped Dust Tail 334pu7m
Dragon
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Comet's Hourglass-Shaped Dust Tail Empty Re: Comet's Hourglass-Shaped Dust Tail

Post by Dragon Fri May 06, 2022 2:45 am

Comet's Hourglass-Shaped Dust Tail Scientists-discover-co-1
Credit: Arto Oksanen

Photographs of observations of the comet's dust trail in 2015 taken by researchers.


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Comet's Hourglass-Shaped Dust Tail 334pu7m
Dragon
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Comet's Hourglass-Shaped Dust Tail Empty Re: Comet's Hourglass-Shaped Dust Tail

Post by Dragon Fri May 06, 2022 2:46 am



NASA's asteroid-hunting NEOWISE survey uses infrared to detect and characterize asteroids and comets.

Since the mission was restarted in December 2013, NEOWISE has observed or detected more than 29,000 asteroids in infrared light, of which 788 were near-Earth objects


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Comet's Hourglass-Shaped Dust Tail 334pu7m

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