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Scientists contend Rosetta’s comet stinks — literally

It turns out that a comet a Rosetta goal has been chasing for a final decade is a stinker. Literally.

Researchers from a University of Bern in Switzerland contend that if we could take a sniff of a cloud of gas surrounding a icy iota of comet 67P/Churyumov-Gerasimenko we would smell a sharp brew of hydrogen sulfide (rotten eggs); ammonia (horse stable); and formaldehyde.

There would also be a spirit of vinegar (sulfur dioxide) and a sniff of ethanol (methanol). Carbon disulfide would supplement only a hold of sweetness, a scientists say.

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In all — eau du Churyumov-Gerasimenko would be flattering unpleasant.

The investigate group used a dual mass spectrometers in Rosetta’s ROSINA instrument to establish what a comet would smell like.

The spectrometers authorised a group to see a chemistry in a gas cloud, or coma, around a comet’s nucleus.

In Churumov-Gerasimenko’s defense, many comets substantially have a identical smell, pronounced Carey Lisse, a scientist during Johns Hopkins University, who was not concerned in a research. “In general, we don’t wish to breathe in comets,” he said.

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“They are mostly water, though they also have a lot of obsolete organics that competence smell like a La Brea connect pits.”

The researchers during Bern pronounced they were astounded to find so many opposite forms of molecular materials in a comet’s coma, generally since it is still 3 times a stretch from a object as a Earth.

They design that as a comet moves closer to a sun, some-more gases will be released, and a comet will smell even worse.

Rosetta group gets immature light for alighting on rubber-duck comet

Rosetta group gets immature light for alighting on rubber-duck comet Amina Khan Its official! After hovering around comet 67P/Churyumov-Gerasimenko for dual months, a European Space Agencys Rosetta booster has gotten a go-ahead to broach a special lander to a specific mark on a comet on Nov. 12. Its official! After hovering around comet 67P/Churyumov-Gerasimenko for dual months, a European Space Agencys Rosetta booster has gotten a go-ahead to broach a special lander to a specific mark on a comet on Nov. 12. ( Amina Khan ) –>

Science manners even when it smells bad! Follow me @DeborahNetburn and “like” Los Angeles Times Science Health on Facebook.


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Article source: http://www.latimes.com/science/sciencenow/la-sci-sn-rosettas-comet-stinks-20141024-story.html

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