Utah researchers worked on James Webb Space Telescope, plan to use it


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LOGAN — NASA's James Webb Space Telescope launched just a few days ago on Christmas Day and some Utah researchers played a role in bringing it to reality and signed up for research time on it.

Researchers at Utah State University spent about five years studying different types of mirrors and composites inside a high-tech vacuum chamber that exposed them to different charges and light sources.

Now that the telescope is off in space, it's time to wait for the real excitement when astronomers get to see if the $10 billion telescope works.

"It's just going to blow people's minds," said J.R. Dennison. He worked with about 30 researchers at Utah State University over the past five years to study different types of mirrors and composites to be used for the telescope.

They had to make sure the telescope stays cold, at about 40 kelvins — "Which is, I think, minus 380 degrees Fahrenheit," Dennison said.

The super-cold temperatures are needed because any heat given off could interfere with the infrared light that the Webb telescope will be taking in from deep space.

Dennison and his team used a high-tech vacuum chamber to test the materials where they could shoot ions and electrons at them, among other tests.

"And then we measure currents and energies and so on, coming off the samples to determine how they charge up, what kind of things get, get given off," Dennison explained.

Now that their work is done, it's time for others to do the really exciting stuff.

"There are these big black holes, like the one at the center of our Milky Way Galaxy," said Anil Seth. The University of Utah researcher is one of just over 250 researchers selected to use the telescope. He will study black holes.

"So, 4 million times the size of the sun. It's a black hole sitting at the center of our galaxy and we don't know how it got there," Seth said.

Right now, he's crossing his fingers that the Webb telescope works as planned, hopefully showing us far beyond what we've seen with the Hubble telescope.

"Definitely if it all does work, it's going to be really amazing."

There is now a 29-day wait for the Webb to get to its destination, about 930,000 miles away, towards Mars.

Then it will be time to cross your fingers and hope that the nearly 180 release mechanisms fold out correctly.

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Mike Anderson
Mike Anderson often doubles as his own photographer, shooting and editing most of his stories. He came to KSL in April 2011 after working for several years at various broadcast news outlets.

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