夜空观测

A US start-up's bid to "sell sunlight after dark" by beaming reflected sunlight from thousands of orbital mirrors has prompted formal objections from astronomers and observatori... 三月 17, 2026

A new LOFAR data release catalogs nearly 13.7 million radio sources across 88% of the northern sky, exposing black-hole jets, galaxy clusters, supernova remnants and other objec... 三月 13, 2026

Practical, camera-agnostic advice for capturing the March 3, 2026 total lunar eclipse — gear, settings, composition and smartphone tricks to help you shoot the red Moon. 三月 04, 2026

NOAA forecasts a minor geomagnetic storm tonight that could let people watch northern lights states across 11 northern U.S. states; plan between 10 p.m. and 2 a.m., check real-t... 二月 24, 2026

Six planets will form a rare arc in the sky on Feb. 28; learn when to look, which worlds you can actually see, and how to get the best view from your location. 二月 23, 2026

Photographers captured the Snow Moon rising directly behind NASA's Artemis II Space Launch System at Kennedy Space Center on 1 February 2026, producing a precise, symbolic image... 二月 02, 2026

Practical, up-to-the-minute guide to watching NASA's Artemis II crewed Moon mission: where to view in Florida, how to stream it live, what the astronauts will see, and how commu... 一月 29, 2026

A powerful coronal mass ejection sent a geomagnetic storm across Earth, producing vivid pink, green and red auroras visible across the UK, Channel Islands and parts of Europe on... 一月 28, 2026

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

Fast solar wind is continuing to buffet Earth's magnetic shield tonight (Dec. 22), raising the chances of visible auroras across high latitudes — and possibly into parts of the ... 十二月 22, 2025

Comets Lemmon (C/2025 A6) and SWAN (C/2025 R2) are visible after sunset in the Northern Hemisphere on Oct. 23, 2025. Binoculars will help reveal their tails; this is a last good... 十一月 12, 2025