Astronomers
Coverage of Astronomers in the Nexus archive.
- Astronomers discover some of the most extreme primordial quasars in the universe
Astronomers have discovered some of the most extreme primordial quasars in the universe. The findings aim to uncover clues about the formation of the first galaxies and supermassive black holes during the dawn of the cosmos.
- Astronomers discover radio signals coming from rare 'Blue Eye Pulsar' after decades of silence
Astronomers have detected radio signals from a rare 'Blue Eye Pulsar' after it remained silent for decades. The discovery marks a significant development in understanding this unique celestial object.
- Astronomers witness the birth of a magnetar for the first time
Astronomers observed the birth of a magnetar through a 'chirping' signal from a distant supernova, confirming these highly magnetic neutron stars can power the universe's brightest stellar explosions. This discovery also marks the first use of Einstein's general relativity to explain supernova mechanics.
- Astronomers discover Earth’s new ‘next-door neighbor’ — a potentially habitable planet
Astronomers have discovered a new exoplanet that is approximately twice the size of Earth and is considered a potentially habitable planet. This exoplanet is now referred to as Earth’s 'next-door neighbor.'
- This weird 'hot Jupiter' exoplanet has a hotspot in the wrong place, and astronomers aren't sure how
A 'hot Jupiter' exoplanet has a hotspot located in an unexpected position, puzzling astronomers who are uncertain about the cause. The discovery challenges current understanding of exoplanetary atmospheric dynamics.
- This planet survived the death of its star—and kept its atmosphere
Astronomers observed an atmosphere around a giant planet orbiting a white dwarf, marking the first time such a phenomenon has been documented. The planet survived its star's death and retained its atmosphere.
- A large, harmless asteroid will zip past Earth this weekend
A large asteroid will pass by Earth this weekend without causing harm. Astronomers confirm the event is safe and poses no threat.
- Cosmic imposters show astronomers sometimes get things hilariously wrong
Astronomers occasionally misidentify cosmic objects, leading to errors. The article highlights how such mistakes can have significant consequences despite the humorous nature of the misjudgments.
- Astronomers find biggest super-puff planets yet that are lighter than cotton candy
Astronomers discovered two super-puff planets that are less dense than cotton candy, orbiting a star 1,110 light-years away. These are the largest exoplanets found with such low density.
- Astronomers find biggest super-puff planets yet that are lighter than cotton candy
Astronomers discovered two giant super-puff planets that are lighter than cotton candy. These planets are the largest of their kind found to date.
- Dark energy is still accelerating the expansion of the universe, and astronomers are relieved. 'Thankfully, we have averted this crisis'
Dark energy is still accelerating the expansion of the universe, and astronomers are relieved. They express gratitude for having averted a potential crisis related to cosmic expansion.
- Remember that star that was supposed to explode in 2024? It didn't, but it could still happen soon
A new naked-eye star was expected in 2024 but did not occur. Astronomers still consider it possible that the star could explode soon.
- Scientists discover remnants of Jellyfish Nebula’s ‘sibling’ supernova
Scientists have discovered remnants of a sibling supernova of the Jellyfish Nebula. Astronomers identified the remains of two long-dead stellar siblings.
- Astronomers solve the mystery of black holes' delayed cosmic 'burps'
Astronomers have solved the mystery of why black holes emit delayed cosmic 'burps', shedding light on the mechanisms behind these phenomena. The discovery provides new insights into the behavior of black holes in the universe.
- Astronomers discover another galaxy seemingly devoid of dark matter
Astronomers have discovered a galaxy that appears to lack dark matter, challenging existing assumptions about galaxy formation.
- Astronomers measure the mass of a dormant black hole, our solar system's lost protoplanet, and more science stories
Astronomers have measured the mass of a dormant black hole and made discoveries related to a lost protoplanet in our solar system. These findings are highlighted as part of recent science news.
- Astronomers just solved a 50-year-old mystery about the Milky Way’s black hole
Astronomers have solved a 50-year-old mystery regarding the Milky Way's black hole, discovering a breeze emanating from Sagittarius A*.
- Did we just see a primordial black hole at the Milky Way’s edge?
A blip of light detected at the Milky Way's outer reaches may indicate a primordial black hole, potentially solving the dark matter mystery. Astronomers have named the phenomenon 'Phoebe'.
- Search for alien technology on interstellar Comet 3I/ATLAS comes up empty
Astronomers searched for alien technology signals from interstellar Comet 3I/ATLAS but found none. They consider the results valuable despite the absence of detections.
- Creepy red dots in space look like an ‘evil eye’ — and scientists had no idea what they were until now
Astronomers have identified the mysterious 'creepy red dots' in space, previously resembling an 'evil eye,' solving a scientific mystery.
- How do you study an invisible exoplanet? Astronomers discover planetary 'fingerprints' in the rings around stars
Astronomers have discovered a method to study invisible exoplanets by analyzing planetary 'fingerprints' in the rings surrounding stars. The PDS 70 system is highlighted as an example of this observational technique.
- Astronomers discover a 'lost world' of black hole mergers: 'It's the astronomical equivalent of uncovering an ancient civilization'
Astronomers have discovered a 'lost world' of black hole mergers, described as the astronomical equivalent of uncovering an ancient civilization. The findings involve black hole masses detected through gravitational waves.
- The Milky Way may have devoured another galaxy named Loki, and astronomers think they've found its remains
Astronomers believe the Milky Way may have consumed a galaxy named Loki, with evidence of its remains found. Observations from Patagonia, Argentina, highlight one of the Milky Way's arms, supporting this theory.
- Scientists found a giant magnetic “twist” hidden inside the Milky Way
Astronomers discovered a giant magnetic twist hidden inside the Milky Way using a new radio telescope, which mapped the galaxy's magnetic field in detail and found a mysterious reversal in the Sagittarius Arm. This finding could reshape scientists' understanding of the galaxy's structure and evolution. The discovery provides unprecedented insight into the Milky Way's magnetic field.
- First-ever direct image of the cosmic web reveals the Universe’s hidden highways
Astronomers have captured the sharpest image of a filament in the cosmic web, revealing a hidden structure connecting galaxies across the Universe. The image shows a glowing strand stretching 3 million light-years and linking two galaxies from nearly 12 billion years ago. This discovery provides new insight into how galaxies are fueled and formed.
- Astronomers use the Webb telescope to improve our map of the cosmic web
Astronomers have utilized the Webb telescope to enhance our understanding of the cosmic web, adding significant detail to improve future investigations into the universe's past. This development will allow for more accurate studies of the universe's history. The improved map of the cosmic web is a crucial step forward in astronomical research.
- Webb space telescope finds a giant galaxy that doesn’t spin
Astronomers using the James Webb Space Telescope discovered a massive galaxy formed less than 2 billion years after the Big Bang with no rotation, challenging current theories on young galaxies. This galaxy is unusual as it doesn't spin, a trait typically seen in older galaxies. The finding raises questions about the formation and evolution of galaxies.
- This strange planet pair shouldn’t exist, but it does
Astronomers have discovered a bizarre planetary pairing 190 light-years away, challenging current understanding of world formation. The system consists of a hot Jupiter and a mini-Neptune, a setup once thought nearly impossible. This discovery is changing astronomers' knowledge of how worlds form.
- Why do some stars become 'supernova impostors'? Astronomers still don't quite know
The star Eta Carinae experienced a bright outburst 170 years ago, classified as a 'supernova impostor' rather than an actual supernova. Astronomers remain uncertain about why some stars exhibit these impostor behaviors.
- Astronomers finally solve the gamma-Cas X-ray mystery after 50 years
Astronomers have resolved a 50-year mystery about the X-rays from the star gamma-Cas, discovering that a hidden white dwarf companion siphons material from it, heating it to extreme temperatures and emitting X-rays. The breakthrough, using data from the XRISM space mission, sheds light on the formation and evolution of such stellar pairs.
- Starbirth shuts down 40,000 light-years from the Milky Way's core — and astronomers don't know why
Star formation has ceased 40,000 light-years from the Milky Way's core, despite the galaxy's spiral disk spanning 100,000 light-years. Astronomers are uncertain why starbirth has stopped in this region.
- Astronomers may have found a strange new kind of cosmic explosion
Astronomers observed a cosmic explosion that initially resembled a kilonova but later shifted to supernova-like behavior, suggesting a potential new type of stellar event called a 'superkilonova.' The discovery involved detecting space-time ripples and a fast-fading red glow linked to elements like gold and uranium.
- Astronomers Find the Edge of the Milky Way
Astronomers have determined the edge of the Milky Way using star data from the European Space Agency's Gaia mission, revealing the galaxy is larger than previously thought. The study, published in The Astrophysical Journal, suggests the Milky Way's boundary extends to about 500,000 light-years in diameter.
- AI galaxy hunters are adding to the global GPU crunch
Astronomers are utilizing GPUs for AI-driven galaxy hunting, which is exacerbating the global GPU shortage. This surge in demand highlights the intersection of astrophysics and high-performance computing.
- Why two-sun planets keep disappearing scientists blame Einstein
Astronomers are puzzled by the rarity of planets orbiting two stars, like Star Wars' Tatooine, despite expectations of their common occurrence. New research suggests Einstein’s theory of general relativity may explain their scarcity.
- Black hole wakes after 100 million years and erupts like a cosmic volcano
A supermassive black hole in galaxy J1007+3540 has erupted after 100 million years of dormancy, sending jets into a galaxy cluster. The event, captured by astronomers, created a chaotic structure stretching nearly a million light-years.
- Dying stars are devouring giant planets, astronomers discover
Astronomers have discovered that dying stars may be devouring nearby giant planets as they expand into red giants, making such planets increasingly rare around more evolved stars.