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News
Webb May Have Found the Family Tree of the Little Red Dots — Curiosmos
6+ hour, 24+ min ago (878+ words) What happens to Webb’s mysterious little red dots as the universe ages? The Saguaro galaxy’s red nucleus offers a way to explore their hidden surroundings. When the James Webb Space Telescope began finding tiny, intensely red sources in the early…...
The universe’s first stars probably ignited 100–250 million years after the Big Bang and died within a few million years. Their ancient light can still reach Earth, but individual stars are so distant and rare that none has been conclusively identified—although cosmic gravitational lenses may finally bring one within JWST’s view.
14+ hour, 16+ min ago (707+ words) Population III stars remain inferred rather than individually confirmed. Extreme cluster lensing may give Webb the magnification needed to isolate one ancient, metal-free source....
Scientists Discover New Class Of Cosmic Objects With Intense Ultraviolet Radiation
21+ hour, 12+ min ago (236+ words) Scientists using NASA's Chandra X-ray Observatory have discovered a new class of objects that behave differently from anything they have seen before. The newly spotted objects give off unusually low-energy X-rays but intense ultraviolet radiation, and scientists believe they could…...
Webb telescope detects changes in Chariklo's rings
21+ hour, 9+ min ago (308+ words) Webb telescope detects changes in the rings of the small body Chariklo UA.NEWS Webb telescope detects changes in the rings of the small body Chariklo The James Webb Space Telescope has detected changes in the two rings of the…...
Neptune’s Tiny Moons May Be Wreckage Left by Triton’s Capture
1+ day, 2+ hour ago (378+ words) The small moons inside Neptune’s rings may be the surviving debris of a much larger moon system destroyed when Triton was captured billions of years ago. Neptune’s smallest moons look like minor members of the solar system. They are difficult…...
JWST finds Chariklo’s inner ring growing denser while its outer ring fades
1+ day, 3+ hour ago (429+ words) Chariklo’s inner ring is getting denser. Its outer ring is fading. Both changes are happening at the same time — and, for the moment, nobody knows why. The finding matters beyond Chariklo itself. Ring systems around planets had already shown that…...
NASA's Chandra finds 84 mysterious "hypersoft" x-ray objects across 6 galaxies — But what are they?
1+ day, 10+ hour ago (346+ words) NASA’s Chandra X-ray Observatory has spotted 84 mysterious objects across six galaxies that are leaving astronomers with a major question. What are they? The objects give off unusually low-energy X-rays. Yet they also appear to produce powerful ultraviolet radiation. This strange…...
A New Catalog of Close to 3,000 Supernova Challenges Theories on Dark Energy
1+ day, 12+ hour ago (88+ words) The most comprehensive catalogue of exploding white dwarf stars ever assembled has revealed new clues about dark energy, the mysterious force driving the universe’s accelerating expansion....
Is This the First Exomoon
3+ day, 21+ hour ago (1676+ words) For decades, astronomers have been looking for moons beyond our Solar System. Several exomoon candidates have been proposed, but none has become an unambiguous, confirmed example. In a recent SETI Live conversation, host Dr. Franck Marchis spoke with Universidad Diego…...