NASA: Jupiter spacecraft detects problem, turns off camera

It’s the second setback in less than a week for the solar-powered Juno, which has been orbiting the giant planet since July on a $1.1 billion mission to explore its poles, atmosphere and interior.

Last week, mission managers decided to postpone an engine firing planned for Wednesday after a pair of valves in the spacecraft’s propulsion system didn’t work as expected.

NASA said the two problems weren’t related.

The delay means Juno won’t swing close again to Jupiter until December. The spacecraft made its first close pass in August, beaming back pictures of Jupiter’s stormy north pole, which appeared bluer than the rest of the planet.

Scientists continued to pore over close-up images from the first flyby, determining that Jupiter’s magnetic fields and northern and southern lights were more powerful than expected.

The Juno mission was designed to fly closer to Jupiter than previous spacecraft, coming within 2,500 miles of the surface. Some three dozen close passes are planned during the 20-month mission.

Over at Mars, an experimental lander that was supposed to touch down on the red planet Wednesday lost contact with ground controllers at the European Space Agency. The mother ship successfully slipped into orbit around Mars and will study the atmosphere, but the fate of the lander was still unknown.

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Follow Alicia Chang at https://twitter.com/SciWriAlicia

Alicia Chang, The Associated Press

by Canadian Press

NASA: Jupiter spacecraft detects problem, turns off camera

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