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comet

A meteor breaks up in the atmosphere. Such a phenomenon caused global cooling and the extinction of large animals 12,800 years ago. The image was prepared using DALEE and is not a scientific image

Surprising discovery: a cosmic explosion in the atmosphere may have caused global cooling 12,800 years ago

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The engravings in Gobkali Tepa are considered to be the oldest calendar in the world. Credit: Dr. Martin Sweatman

A 12,000-year-old lunar-solar calendar - the oldest in the world, was discovered on a column at an archaeological site in Turkey

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Research at the 12,000-year-old site of Gobekli Tepe in Turkey suggests that the engravings on ancient pillars probably represent the world's oldest solar calendar, possibly created to commemorate a comet strike
Rosetta's comet in August 2015, when it was closest to the Sun, when most of the glycine was detected. Photo: European Space Agency

Rosetta's comet contains ingredients necessary for life

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The Bavi and Ethan regions on the surface of comet Churyumov-Garsimenko as imaged by the Osiris camera on the Rosetta spacecraft. Photo: European Space Agency

Rosetta photographed the valley formed on the surface of comet 67P as a result of material escaping into space

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The passage of the Comet Sliding Spring by Mars (not in the right proportions). Image: NASA

NASA is geared up and ready for the Siding Spring comet pass by Mars this evening

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This computer graphic depicts the path of comet 2013 A1, (Siding Spring) through the inner solar system. Photo: NASA\JPL-Caltech

New calculations rule out the possibility of the comet hitting Mars in 2014

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Guessing where to locate the PanSTARRS comet on March 12, 2013 after sunset. Illustration: David Atkinson, Universe Today

Comet Fanstars continues to move north, today may be visible from Israel for a short time after sunset with the naked eye

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Excerpt from the logo of the science site. PR photo

Comet McNutt, which may also become the brightest in the last century, will reach its peak proximity to the sun today, Friday

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Excerpt from the logo of the science site. PR photo

A green comet in the sky - visible in binoculars and telescopes only

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