天文巡天

Researchers at SLAC/Stanford used powerful X-ray beams to read hidden Greek astronomical notes beneath a medieval palimpsest, recovering star coordinates from Hipparchus—the old... 一月 24, 2026

A late‑2025 arXiv preprint proposes that the vacuum behaves like a viscous, elastic medium with 'spatial phonons'—a phenomenological model that the author says can reconcile ten... 一月 19, 2026

Hubble observations show the Neptune-sized exoplanet GJ 3470b leaking a giant hydrogen cloud and shedding mass at a record rate. Astronomers say the planet may be on a long path... 一月 19, 2026

A new 3D map built from SRG/eROSITA X‑ray data shows low‑density channels in the Local Hot Bubble — including a conspicuous 'tunnel' toward Centaurus — and points to how ancient... 一月 19, 2026

Comet 3I/ATLAS—only the third confirmed interstellar object to visit our solar system—has been scanned by major radio and optical facilities; scientists report no signs of engin... 一月 13, 2026

Using Hubble and radio telescopes, astronomers have confirmed a starless, gas-rich dark-matter cloud — nicknamed Cloud‑9 — that matches long-standing theoretical predictions of ... 一月 07, 2026

NASA's SPHEREx mission has completed a full-sky survey in 102 infrared bands, producing a multilayered cosmic atlas that scientists say can turn a flat star chart into a 3D map ... 十二月 20, 2025

NASA has finished assembling the Nancy Grace Roman Space Telescope at Goddard, advancing hardware and techniques that could reshape the hunt for habitable worlds and biosignatur... 十二月 17, 2025

The newly discovered "twilight" asteroid, 2025 SC79, was obscured by the sun's glare until an astronomer pointed the Dark Energy Camera at it, highlighting the potential dangers... 十一月 12, 2025