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News
A Microquasar May Be Powering the Milky Way’s Giant Cygnus Bubble
50+ min ago (603+ words) The enormous Cygnus Bubble is usually linked to a busy star-forming region. A new study argues that the microquasar Cygnus X-3 may be the more natural source of its highest-energy gamma rays. Cygnus X-3 is a microquasar, a binary system containing a…...
Haunting Hubble 'bubble' image captures cosmic cycle of destruction and creation
1+ hour, 21+ min ago (265+ words) A spectacular new Hubble Space Telescope image reveals almost 30,000 newborn stars around an enormous cavity carved into a stellar nursery in a neighboring galaxy. What it is: The nebula LHA 120-N44 Where it is: 160,000 light-years away, in the constellation Dorado When…...
What Is the Cosmic Microwave Background? The Universe’s Afterglow
1+ hour, 35+ min ago (663+ words) The cosmic microwave background is the oldest light we can observe. Here is where it came from, what its tiny patterns reveal, and why it still matters. About 380,000 years after the Big Bang, the expanding universe had cooled enough for…...
What if dark energy is evolving? Comprehensive new dataset questions a core assumption
7+ hour, 9+ min ago (411+ words) starlust.org What if dark energy is evolving? Comprehensive new dataset questions a core assumption For the first time, astronomers have assembled a catalog containing nearly 3,000 exploding stars. And now, all those stars are pointing them toward something they weren’t…...
NASA's Chandra finds 84 mysterious "hypersoft" x-ray objects across 6 galaxies??? But what are they?
6+ hour, 48+ min ago (15+ words) NASA's Chandra finds 84 mysterious "hypersoft" x-ray objects across 6 galaxies — But what are... Moneycontrol.com...
NASA's Chandra finds 84 mysterious "hypersoft" x-ray objects across 6 galaxies — But what are they?
6+ hour, 48+ min 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
9+ hour, 27+ min 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....
The Universe Has Been Taking Notes
5+ hour, 18+ min ago (67+ words) Unfortunately, most of them are about us. There is something deeply impressive about humanity. We can map distant galaxies, build machines that answer almost every …...
AI Super-Resolution and Transformers Push Hyperspectral Image
5+ hour, 30+ min ago (55+ words) Hyperspectral imaging has long promised a kind of digital omniscience: sensors that capture hundreds of narrow spectral bands, revealing the chemical fingerprints of crops, wetlands, minerals, and city streets in a single sweep. Yet the technology has always carried an…...
Dense Galaxies Are Carving Out a Bubble in the Early Universe
10+ hour, 13+ min ago (112+ words) ...