Astronomie nieuws - NewsLocker

World's Most Powerful Collider Shuts Down for a Smashing Upgrade

29-06-2026 23:53 via universetoday.com

Europe's CERN physics research center bids 'Farewell' to the Large Hadron Collider, but it's actually more like 'See You Later, Accelerator!' The new, improved High-Luminosity LHC is due to make its debut in 2030.

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ESA’s ExoMars Trace Gas Orbiter Has Yet to Detect Methane On Mars

29-06-2026 23:53 via universetoday.com

After more than eight years of searching and with instruments designed to detect it, the European Space Agency’s (ESA) Mars Trace Gas Orbiter has yet to find methane in the red planet’s atmosphere.

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The "Shadow Blaster" Galaxy's Role in High-energy Cosmic Neutrinos

29-06-2026 23:03 via universetoday.com

On September 22, 2021, the IceCube Neutrino Detector in Antarctica caught a blast of neutrinos as it passed through the solar system. These neutrinos were remarkably high-energy and came from a galaxy 11 billion light-years away. That's a period of the Universe's history known as "Cosmic Noon". It's when star formation in galaxies was at its most active and that provided an interesting clue to their origin. The source of the neutrinos was nicknamed "Shadow Blaster" because the event that created

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An Alternative to Black Holes: Gravastars with Big Bangs Inside

29-06-2026 21:46 via universetoday.com

Stellar mass black holes may not be black holes at all. Instead, they could be a type of extremely compact star called a gravastar, which mimics a black hole. This is according to theoretical phsyicists who have discovered a solution to Einstein's Theory of General Relativity that doesn't automatically result in a black hole when a star collapses at the end of its life.

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16,5 miljoen sterren op één foto: Webb neemt hart van Sigaarstelsel haarscherp in beeld

29-06-2026 19:00 via scientias.nl

De Webb-ruimtetelescoop heeft het Sigaarstelsel (M82) in ongekend detail vastgelegd en onthult zo’n 16,5 miljoen individuele sterren die voorheen verborgen gingen achter dikke stofwolken. Het Sigaarstelsel, officieel Messier 82 (M82) of NGC 3034 genoemd, is al decennialang een geliefd object voor astronomen. Op 12 miljoen lichtjaar afstand, in het sterrenbeeld Grote Beer (UMa), ondergaat dit […]
Meer wetenschap? Lees de nieuwste artikelen op Scientias.nl .

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Mars May Have Vast Magma Systems Beneath Its Surface

29-06-2026 18:00 via universetoday.com

Researchers from the University of Oxford have uncovered evidence that Mars once hosted widespread, Earth-like magmatic systems deep beneath its surface – despite the planet lacking the plate tectonics long thought necessary for this kind of geological complexity. The findings, published June 26th in Nature Astronomy, reveal fascinating new possibilities for how rocky planets become habitable.

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Testing the Orbital Mechanics of Giant Mirrors

29-06-2026 16:45 via universetoday.com

Giant mirrors in space have been a staple of science fiction for decades. But so far there’s been very little work looking at the actual physics behind the concept - possibly because we’re still so far from making them ourselves. Still, they could potentially serve as a passive technosignature, if we manage to find one. In order to do that, though, we have to understand what we’re looking for. That is the purpose of a new paper, available in pre-print on arXiv, by Shauna Sallme

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The Rise of Space AI Might Explain the Fermi Paradox

29-06-2026 15:51 via universetoday.com

Artificial Intelligence (AI) is continuing to have a disruptive impact on ever more parts of humanity. But what does it mean in the long run? A new paper, available in pre-print on arXiv from Austrian researcher Sergey Ivliev, extrapolates what the wide scale adoption of AI means for the future of humanity in space - and in particular what it means for the ultimate question of whether we’re truly alone in the galaxy or not.

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Wat is de UV-index eigenlijk? De wetenschap achter het getal dat bepaalt hoe snel je verbrandt

29-06-2026 15:00 via scientias.nl

Het is je de afgelopen zonnige dagen vast niet ontgaan in je weerapp: de UV-index. Een simpel getal, meestal tussen 0 en 10 maar soms hoger, dat aangeeft hoe snel je huid kan verbranden door de zon. Achter dat ene cijfer gaat verrassend veel schuil. RIVM-expert Arjan van Dijk legt uit wat de UV-index betekent, […]
Meer wetenschap? Lees de nieuwste artikelen op Scientias.nl .

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The Black Holes That Burp Years After They Eat

29-06-2026 08:48 via universetoday.com

When a star strays too close to a supermassive black hole, it is torn apart in a brief, brilliant flare, and astronomers long assumed that was the end of the story. It isn't. Using the Very Large Array to follow dozens of these stellar killings, a team has discovered that many black holes "burp" months or even years later, belching out streams of radio light as they fling part of their meal back into space. These delayed flares let astronomers watch a black hole's appetite change in real time, a

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An Island of Calm at the Violent Heart of the Galaxy

29-06-2026 08:38 via universetoday.com

The centre of the Milky Way is one of the most violent places in the Galaxy, a churning storm of gas moving faster than sound, and about the last spot you would expect a star to be born. Yet astronomers mapping that chaos with the ALMA telescope have stumbled on a hidden pocket of calm, where the gas slows, settles and quietly begins gathering itself into the seeds of new stars. The find suggests stars may take their first steps the same way everywhere, even here, and that our own Sun was likely

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Two Planets Lighter Than Candy Floss

29-06-2026 08:26 via universetoday.com

Astronomers have found two of the lightest worlds ever discovered, a pair of giant planets so wispy that, gram for gram, they are less dense than candy floss. Each is roughly the size of Jupiter yet holds almost nothing inside and the two circle the same distant star as siblings, locked in a gravitational dance that sees them tug one another off schedule as they orbit. It was observations from the depths of the Antarctic winter, that let astronomers weigh them and uncover just how astonishingly

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Feedback from Young Stars Influences Galaxy Evolution

29-06-2026 04:19 via universetoday.com

Star formation is a major driver in galaxy evolution, right up there with the collisions and mergers that shape all galaxies. Researchers led by Ohio State University graduate student Debosmita Pathak, studied 18,000 star-forming regions in nearby spiral galaxies to get a better handle on the influence of starbirth.

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Europa’s Ice Shell Secrets Unlocked by Ground Radar Study

29-06-2026 02:19 via universetoday.com

Jupiter’s moon, Europa, has become high-value real estate for astrobiologists and the search for life beyond Earth. This is because the small moon, which is slightly smaller than Earth’s Moon, boasts a massive subsurface ocean of liquid water that scientists estimate contains about double the amount of water of all Earth’s oceans combined. As seen on Earth, water equals life, so scientists are eager to continue to explore Europa in any way possible to determine if it could harb

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Hubble Spots Two Galaxy Clusters in the Process of Merging

29-06-2026 00:53 via universetoday.com

This NASA Hubble Space Telescope image features a galaxy cluster, called CL0016+1609 or MACS J0018.5+1626, that is very bright at X-ray wavelengths and is one of the most extensively studied clusters at X-ray and radio wavelengths. The X-ray observations of this cluster revealed that it is two clusters merging along our line of sight.

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