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Two years of data from NASA's James Webb Space Telescope have now validated the Hubble Space Telescope's earlier finding that the rate of the universe's expansion is faster - by about 8% - than ...
It appears to be expanding faster today than it did in the past – and researchers are not sure why. Now the Webb telescope has confirmed those unexpected measurements, which were previously ...
A team of scientists published their findings this week using Nasa's James Webb Space Telescope (JWST) to cross-check the physics problem known as "Hubble Tension," which refers to Hubble Space ...
The Webb telescope uses 132 small actuation motors to position and adjust the optics. [39] The actuators can position the mirror with 10 nanometer accuracy. [40] Webb's optical design is a three-mirror anastigmat, [41] which makes use of curved secondary and tertiary mirrors to deliver images that are free from optical aberrations over a wide ...
At the heart of our Milky Way galaxy lurks a supermassive black hole about four million times the mass of the sun, called Sagittarius A*. But since NASA's James Webb Space Telescope came online in ...
The Southern Ring Nebula was selected as one of the five cosmic objects observed by the James Webb Space Telescope as part of the release of its first official science images on July 12, 2022. [ 4 ] Two images of NGC 3132 in near- and mid-infrared light.
NASA’s James Webb Space Telescope imaged sections of the outskirts of the Milky Way galaxy, a region called the Extreme Outer Galaxy. As shown here, the telescope observed newly formed stars and ...
NASA compares the required accuracy by analogy: "If the Webb primary mirror were the size of the United States, each [mirror] segment would be the size of Texas, and the team would need to line the height of those Texas-sized segments up with each other to an accuracy of about 1.5 inches". [62] James Webb Space Telescope Mirror alignment animations