Related topics: james webb space telescope

Is Webb at its final temperature?

The Mid-Infrared Instrument (MIRI) on NASA's James Webb Space Telescope is now cooled by a gaseous helium cryocooler to under 7 Kelvin. With the cooler in its final state, the Webb team is operating the MIRI instrument this ...

Giant space telescopes could be made out of liquid

The Hubble space telescope has a primary mirror of 2.4 meters. The Nancy Grace Roman telescope also has a mirror measuring 2.4 meters, and the James Webb Space Telescope has a whopping 6.5 meter primary mirror. They get the ...

Webb team brings 18 dots of starlight into hexagonal formation

The James Webb Space Telescope team continues to make progress in aligning the observatory's mirrors. Engineers have completed the first stage in this process, called "Segment Image Identification." The resulting image shows ...

NASA's new space telescope 'hunky-dory' after problems fixed

NASA's new space telescope is on the verge of completing the riskiest part of its mission—unfolding and tightening a huge sunshade—after ground controllers fixed a pair of problems, officials said Monday.

Space telescope's golden mirror wings open one last time on Earth

For the last time while it is on Earth, the world's largest and most powerful space science telescope opened its iconic primary mirror. This event marked a key milestone in preparing the observatory for launch later this ...

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