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How do professional astronomers book time on JWST or Hubble?
Proposals are submitted annually by scientists who wish to use these facilities, and are reviewed by the Telescope Allocation Committee.
The Distant World Of Chariklo's Ring System Has Changed In A Matter Of Years, And Astronomers Are Not Sure Why
Not long ago, astronomers were surprised to find rings around the distant world of Chariklo. Looking at it again using the JWST, the rings have surprised us once more.
Before JWST began science operations, a dust-sized particle struck one segment of its 6.5-metre mirror at hypervelocity and left an uncorrectable deformation — damage revealed because Webb can detect nanometre-scale changes in its own optical surface.
Webb detected a permanent deformation on mirror segment C3 through nanometre-scale wavefront sensing, corrected part of it and remained well inside requirements.
JWST finds early galaxies may be 4 times more massive than thought
Astronomers using JWST have discovered that massive early galaxies contain far more small, faint stars than expected. That hidden population could make some of these galaxies three to four times more massive than previous estimates. The finding makes it even harder to explain how enormous, mature galaxies formed so soon after the Big Bang. It could also suggest that planets around low-mass stars were more common in the early universe than scientists realized.
Neptune’s tiny moons may be the wreckage of shattered ancient worlds
JWST has uncovered surprising clues that Neptune’s strange inner moons may be the wreckage of an ancient cosmic catastrophe. Researchers detected clay-like minerals on Larissa, Galatea, and Neptune’s rings that form in the presence of liquid water—yet the moons themselves show no obvious water ice. The material likely came from deep inside much larger icy moons that were shattered when Triton was captured by Neptune, destroying much of the planet’s original satellite system.
JWST Just Examined Two Stars Suspected of Harboring Dyson Spheres. Here's What It Found…
Tricksy little hobbitses.
James Webb telescope captures never-before-seen glimpse of 'Centaur' galaxy's battle wounds — Space photo of the week
An JWST image of the nearby Centaurus A galaxy reveals star dust, collision scars and the fingerprint of a black hole.
Astronomers discover unexplained spin pattern in early galaxies - Futura-Sciences
A consistent pattern in the deep universe Lior Shamir, an associate professor of computer science at Kansas State University, analyzed images of 263 early galaxies captured through the JWST Advanced Deep Extragalactic Survey. Shamir used quantitative shape analysis to determine the rotation of each galaxy. The data revealed that roughly...
Mamdani's sweep in New York a 'political earthquake' among Democrats
New York City Mayor Zohran Mamdani scored a massive political victory on Tuesday when his trio of insurgent congressional candidates toppled two incumbents and the establishment favorite in an open seat, results some described as "a political earthquake" for Democrats.
Famous Pink Planet Mystery Decoded: JWST Says Salt Clouds are the Culprit
This Magenta world's strange atmosphere made no sense until JWST found intriguing clouds made of salt.
JWST Measures Mass Of Most Distant Dormant Black Hole – Shattering Previous Record By 15 Times
JWST and gravitational lensing allowed scientists to resolve an area in the distant universe equivalent to looking at a "coin on the surface of the Moon."
James Webb telescope detects most distant dormant black hole, invisible in all wavelengths and weighing as much as 6 billion suns
JWST found a black hole hiding in a galaxy more than 10 billion light-years away from Earth, and used a cosmic magnifying glass to determine its mass.
Scientists stunned as JWST finds ice clouds on a giant alien planet
Scientists have discovered unexpected water-ice clouds on a distant, Jupiter-like exoplanet, challenging current atmospheric models. By directly imaging Epsilon Indi Ab with the James Webb Space Telescope, they found less ammonia than expected—likely hidden by thick, patchy clouds. The finding reveals new layers of complexity in giant planets and shows how much we still have to learn.
Scientists just mapped the hidden structure holding the Universe together
Astronomers have produced the most detailed map yet of dark matter, revealing the invisible framework that shaped the Universe long before stars and galaxies formed. Using powerful new observations from NASA’s James Webb Space Telescope, the research shows how dark matter gathered ordinary matter into dense regions, setting the stage for galaxies like the Milky Way and eventually planets like Earth.
Artemis II’s Possible Impact on JWST Science Operations
NASA has recently begun preparations for the Artemis II mission, which will send four astronauts on a journey around the Moon
James Webb telescope confirms a supermassive black hole running away from its host galaxy at 2 million mph, researchers say
JWST peered at the glowing trail of stars left behind by a candidate runaway supermassive black hole deep in space, revealing new insights after other telescopes looked at the event.
JWST Confirms: First Runaway Supermassive Black Hole Tearing Through Space
At a jaw-dropping 954 kilometers per second.
JWST Catches Record-Breaking Planet Sprouting Two Enormous Tails
Tylos is one weird world.
JWST Spots Signs of Exomoon Birth in Alien Planet’s Disk
Scientists found evidence of a distant planet’s moon system forming