Observation du ciel nocturne

Stratégies et pratiques pour l'observation des objets célestes après la tombée de la nuit.

Articles about Observation du ciel nocturne

Space
Mirrors in Orbit, Darker Skies

Mirrors in Orbit, Darker Skies
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 observatories…
Space
Full Moon Rises Over Artemis II

Full Moon Rises Over Artemis II
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 a…
Space
See Artemis II: Moon Launch Guide

See Artemis II: Moon Launch Guide
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 communi…
Space Weather
Pink and Green Aurora Over UK

Pink and Green Aurora Over UK
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 2…
Science
Hipparchus’s Lost Star Map Recovered

Hipparchus’s Lost Star Map Recovered
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 oldes…
Space
Northern Lights Possible Tonight

Northern Lights Possible Tonight
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 no…