From its halo-like orbit nearly a million miles from Earth, the James Webb ... Hubble Space Telescope can match the breadth of Webb's scientific targets, but Webb's larger mirror allows it to ...

Using the powerful James ... Giant mirror: Webb's mirror, which captures light, is over 21 feet across. That's over two-and-a-half times larger than the Hubble Space Telescope's mirror.

Unfortunately, they are quite limited in mirror size. As amazing as the James Webb Space Telescope is, its primary mirror is only 6.5 meters in diameter. Even then, the mirror had to have foldable ...

Hardegree-Ullman said that while she was completing her undergraduate degree at the University of Arizona in the early 2000s, a member of the institution shared with her that they were involved with ...

Illustration of the James Webb Space Telescope. Credit: NASA GSFC/CIL/Adriana Manrique Gutierrez The telescope, constructed from 18 hexagonal-shaped mirrors, was designed to detect wavelengths of ...

Fine Guidance Sensor (FGS) and Near Infrared Imager and Slitless Spectrograph (NIRISS): FGS is essential for keeping JWST accurately oriented, locking onto guide stars to stabilize the telescope ...

Each one features two pieces of flat black flocking material, strategically sized to fit perfectly around the primary mirror and ... print of the James Webb Space Telescope's famous "Cosmic ...

If another gravity theory is correct, "then the broader implications are enormous," astrophysicist Stacy McGaugh told ...

A group of astronomers analyzing data from the James Webb Space Telescope ( JWST) say some of the oldest galaxies in our ...

The James Webb Space Telescope has captured imagery of spiral galaxy NGC 7469, which is 90,000 light-years in diameter. The ...

The James Webb Space Telescope may have found dozens of elusive brown dwarfs — strange objects larger than planets but smaller than stars — beyond the Milky Way for the first time ever.

A nearby star is surrounded by an eerily perfect, "pancake-like" disk of cosmic debris that is unlike anything seen before, new James Webb Space Telescope (JWST) images reveal. The surprisingly ...