NASA’s New Space Telescope Fixed

NASA’s huge, new space telescope is doing well more than a week after liftoff, following a pair of problems overcome by ground controllers, officials said Monday.

The tennis court-size sunshield on the James Webb Space Telescope is now fully open and in the process of being tightened. The operation should be complete by Wednesday.

The $10 billion telescope — the largest and most powerful astronomical observatory ever launched — rocketed away Christmas Day from French Guiana. Its sunshield and primary mirror had to be folded to fit into the European Ariane rocket.

The sunshield is vital for keeping Webb’s infrared-sensing instruments at subzero temperatures, as they scan the universe for the first stars and galaxies, and examine the atmospheres of alien worlds for possible signs of life.

Getting the sunshield extended last Friday “was really a huge achievement for us,” said project manager Bill Ochs. All 107 release pins opened properly.


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