NASA is Going to Try Manufacturing a Telescope Mirror in Space

One of the JWST's gold-coated mirrors. Not even launched yet, and the golden mirrors are already iconic. Image Credit: NASA/Drew Noel

Space telescopes are a pretty amazing thing. By deploying an observatory to orbit, astronomers are able to take pictures of the Universe unencumbered by atmospheric disturbance. At the same time, they are very expensive to build, maintain, and launch into space. As the case of Hubble’s flawed mirror demonstrated, a space telescope also has to go through rigorous checks because of how difficult it becomes to service them after launch.

To address this, NASA is investigating the possibility of constructing future space telescopes in space. A key aspect of this involves a manufacturing technique known as Atomic Layer Deposition (ALD), a process where layers of material no thicker than an atom is deposited on a surface and then hardened in place. Now, a team of NASA-supported researchers has been given the chance to test ALD in a microgravity environment (i.e. space!)

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NASA is Going to Test 25 New Technologies in Upcoming Aircraft, Balloon and Sub-Orbital Rocket Flights

NASA’s Flight Opportunities program has selected 25 space technologies for further testing. They’re testing the technologies on aircraft, balloons, and sub-orbital rocket flights. NASA hopes to learn a lot about each of the technologies with this rigorous testing, without the expense of sending them all into orbital space.

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