segunda-feira, 22 de junho de 2015

Europe’s comet lander Philae makes contact again

This artist sense from Dec. 2013 by ESA /ATG medialab shows Rosetta’s lander Philae (front view) on a aspect of comet 67P/Churyumov-Gerasimenko. The comet lander Philae has awakened from a seven-month hibernation. (ESA/ATG medialab/ESA around AP)

This artist sense of Philae (front view) on a aspect of comet 67P/Churyumov-Gerasimenko. The comet lander Philae has awakened from a seven-month hibernation and managed to promulgate with Earth for some-more than a minute, a European Space Agency said. (ESA/ATG medialab/ESA around AP)

BERLIN — The Philae booster has been in hold with Earth from a speeding comet for a second time given waking adult a few days ago, goal control pronounced Monday, and scientists wish to urge communications with a lander by changeable a arena of a mom ship.

Philae in Nov became a initial booster ever to settle on a comet when it overwhelmed down on icy 67P/Churyumov-Gerasimenko, though it managed to send information to Earth usually for about 60 hours before using out of power.

Scientists were ecstatic this weekend when, as a comet approached a sun, Philae’s solar panels engrossed adequate light to recharge a categorical battery and arise a lander up.

Philae pennyless a overpower on Saturday by promulgation a vigilance behind to Earth around Rosetta, a mom spacecraft, that is between 200 and 240 kilometres (124 and 150 miles) divided from a comet.

Philae afterwards got in hold again on Sunday night, promulgation behind 5 packets of data, pronounced Sylvain Lodiot, a booster operations manager for Rosetta. Still, that was most reduction information than a prior night, he said.

It’s not transparent because a tie was reduction stable, though scientists think a slight boost in a lander’s stretch from Rosetta might have been a factor.

“Now we have a immature light from all a scientists and from a goal manager to optimize all we can do for Philae contact,” Lodiot told The Associated Press by telephone.

On Wednesday, scientists devise a manoeuvr to pierce Rosetta closer, shortening a stretch to Philae as small as 180 kilometres (112 miles), something they had designed to do regardless of Philae’s status, he said.

For a time being, a soaking machine-size lander is usually promulgation behind what controllers report as housekeeping and systems data. To be means to get more, scientists will need to urge communications and send it new commands.

“It’s going to take a few days,” he said.

Scientists wish that Philae’s restart will concede them to transparent adult a poser of where accurately on a 4-kilometre (2 1/2-mile)-wide comet a examine landed.

Europe’s comet lander Philae makes contact again

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