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4Astronomy is a search engine built for people who look up. We combine multiple indexes, curated astronomy sources, and AI systems to return results tailored to astronomy topics. Use 4Astronomy to find observing guides, research papers, image archives, mission information, community resources, and products relevant to amateur and professional astronomy. Part of the 4SEARCH network of topic specific search engines.
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Looking for a destination where daylight lasts for months? Visit this place
3+ hour, 59+ min ago (546+ words) WION Looking for a destination where daylight lasts for months? Visit this place Located deep in the Arctic Ocean, the Norwegian archipelago of Svalbard experiences four months of continuous daylight. Situated outside the Schengen area, this remote destination is famous…...
Space Wave Fracture: Visualizing the Collapse of Spacetime
16+ hour, 27+ min ago (339+ words) Foro3 D Space wave fracture is a theoretical concept that describes the critical point where a disturbance in the space-time continuum loses its coherence and tears apart. Unlike a simple wave, this fracture implies a discontinuity in the metric of the…...
NASA defends Artemis III crew as critics question all-male lineup - AOL
3+ hour, 37+ min ago (13+ words) NASA defends Artemis III crew as critics question all-male lineup AOL. com...
Watch Out For Mama Elk in Estes Park
2+ min ago (251+ words) Just another day in Estes Park, Colorado. A'place famous for having'wildlife meandering around town surely has had other days like this in the past, but this one was particularly odd as the town of Estes Park had to actually send…...
Scientists discover "fearsome wind" that destroys entire galaxies.
41+ min ago (11+ words) The Greatest News Site On The Internet. Home of CFP Nation....
Scientists Found a Super-Earth in the Life Zone, Until Its 647-Day Orbit Defied the Rules
1+ hour, 24+ min ago (762+ words) A nearby planet sits in the life-friendly zone, yet its strange fire-and-ice path shows why the hunt for habitable planets is far messier than it seems. HD 20794 d spends its long year moving between two very different neighborhoods around its…...
Galactic archaeologists" share the 2026 Kavli Prize in Astrophysics " Physics World
58+ min ago (173+ words) The 2026 Kavli Prize in Astrophysics is awarded to Vasily Belokurov, Amina Helmi and Rodrigo Ibata, "for uncovering the fossil evidence of past mergers proving that the Milky Way galaxy was built through hierarchical accretion. Belokurov is at the UK's University…...
Winds generated by global events may have destroyed galaxies in the early Universe
4+ hour, 15+ min ago (499+ words) Astronomers have discovered a "galaxy-killing wind" that may explain why there are far more massive "dead" galaxies in the early universe than expected. This wind, resulting from cosmic collisions between galaxies, can quickly blow away all the fuel needed to…...
A "seed" of genetic code detected in interstellar space
8+ hour, 20+ min ago (321+ words) Interstellar space continues to amaze scientists with the presence of complex chemical compounds. From protein precursors to components of cell membranes, these massive gas clouds hold countless secrets. Recently, researchers took another fundamental step toward understanding how life on Earth…...
Why do stars appear different colors in the night sky?
1+ hour, 45+ min ago (376+ words) Discover why some stars shine blue, white, orange or red and what those colors tell us about the cosmos. One of the pleasures of stargazing is noticing and enjoying the various colors that stars display in dark skies. Spica shines…...