Astronomie nieuws - NewsLocker

Star Formation Might Depend on Galactic Magnetic Fields

31-01-2025 23:21 via universetoday.com

A galactic merger is a chaotic event. When two massive structures like galaxies merge, their powerful gravitational forces wrench stars out of their usual orbits in a process called violent relaxation. In essence, the merging galaxies are evolving rapidly, and small perturbations can be amplified as the system moves toward a more stationary state.
Intuition suggests that this chaos should disrupt the galaxy, including its star formation, but new observations of the Arp 220 galaxy merger show tha

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A Super-Earth to Test the Limits of Habitability

31-01-2025 19:41 via universetoday.com

Every exoplanet discovery is an opportunity to refine models of planet formation, solar system architecture, habitable zones, and habitability itself. Each new planet injects more data into the scientific endeavour to understand what’s going on and how things got this way. However, some planets have such unusual characteristics that they invite a deeper focus and intense follow-up observations.That’s the case for one new exoplanet. It’s a super-Earth on an unusual orbit that&rs

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Evidence of Recent Geological Activity on the Moon

31-01-2025 18:59 via universetoday.com

According to the Giant Impact Hypothesis, the Moon formed from a massive impact between a primordial Earth and a Mars-sized object (Theia) roughly 4.5 billion years ago. This is largely based on the study of sample rocks retrieved by the Apollo missions and seismic studies, which revealed that the Earth and Moon are similar in composition and structure. Further studies of the surface have revealed features that suggest the planet was once volcanically active, including lunar maria (dark, flat ar

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An Asteroid Has a 1% Chance of Impacting Earth in 2032

31-01-2025 17:31 via universetoday.com

The odds of a sizable asteroid striking Earth are small, but they’re never zero. Large asteroids have struck Earth in the past, causing regional devastation. A really large asteroid strike likely contributed to the extinction of the dinosaurs. So we shouldn’t be too surprised that astronomers have discovered an asteroid with a better than 1% chance of striking our world. Those odds are large enough we should keep an eye on them, but not large enough that we should start packing bags

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Ook Europa gaat naar de maan: ESA geeft groen licht voor bouw van eerste maanlander

31-01-2025 13:01 via scientias.nl

De bedoeling is dat ‘Argonaut’ in 2031 voor het eerst voet op het maanoppervlak zal zetten. De maan staat weer volop in de belangstelling. Zo heeft NASA grote plannen om in het komende decennium terug te keren. Het plan is zelfs om een heuse maanbasis te bouwen, waar mensen permanent kunnen verblijven. En ESA draagt […]
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NASA-astronaute Suni Williams vestigt nieuw record met nieuwe ruimtewandeling buiten ISS

31-01-2025 10:29 via spacepage.be

Twee NASA-astronauten die op donderdag 30 januari 2025 buiten het internationale ruimtestation ISS aan het werk waren, konden eindelijk een defecte radiocommunicatie-eenheid verwijderen, wat lukte waar twee eerdere ruimtewandelingen zonder succes waren gebleven. Het uitgebreide werk dat nodig was om de radiofrequentiegroep (RFG) te bevrijden door Sunita “Suni” Williams en Barry “Butch” Wilmore kwam echter ten koste van de tijd, want de twee kwamen tijd tekort om alle take

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The Variable Nebula NGC 2261

31-01-2025 06:26 via apod.nasa.gov

The interstellar cloud of dust and gas captured in this

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