As Comet 67P/Churyumov-Gerasimenko approaches perihelion, the sun is heating up its nucleus and the solar wind is causing its tail to evolve. And the Rosetta mission has a ringside seat.
Scientists have found gigantic sinkholes more than 200 yards (183 meters) in diameter -- twice the length of a football field -- and just about as deep breaking the surface of the comet being studied by the orbiting Rosetta spacecraft.
Ground control teams overseeing Europe’s Philae comet lander begin the week with some good news: The intrepid robot is back talking to the orbiting Rosetta spacecraft.
After a 7-month hiatus, the revived European comet lander is nearly ready to resume work, expanding on our scientific understanding of the solar system.
Could this bright glinting object on Comet 67P/Churyumov-Gerasimenko's surface be Europe's lost comet lander?
Europe launched a new bid Friday to communicate with its comet lander Philae, hurtling towards the sun some 360 million kilometers (224 million miles) from Earth.
On March 12, Rosetta was imaging Comet 67P/Churyumov-Gerasimenko from a distance of 75 kilometers (46 miles) and by pure chance it spotted an eruption of dusty material from the shaded nucleus. Continue reading →
As the European Rosetta spacecraft continues to explore Comet 67P/Churyumov-Gerasimenko as it gradually gets closer to the sun, it's having to deal with some very inclement orbital weather.
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