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How to spot comets that can impact Earth? Look at the t(r)ail, scientists suggest
The comet's rocks and dust turn into a meteoroid stream, and their path parallels the comet's. When these meteoroid streams ...
Space.com2d
'Crumb trails' of meteoroids could reveal potentially dangerous comets years before they reach Earth
Potentially dangerous comets could be spotted many years in advance by following the meteoroid trails they leave near Earth, ...
Philae's extraordinary comet landing relived
On 12 November 2014, after a 10-year journey through the solar system and over 500 million kilometers from home, Rosetta's lander Philae made space exploration history by touching down on a comet for ...
Rosetta-Philae Probe: How Humans Touched Down on a Comet for the First Time
Tuesday marks the tenth anniversary of a huge astronomical milestone: the first and only time we have landed on a comet. The ...
Tasnim News Agency2d
Scientists Propose Radical New Theory on Moon’s Origins
Researchers at Penn State University suggest that Earth’s only satellite may have come from a “binary-exchange capture” ...