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April’s top lunar feature to observe
Vallis Rheita
When we’re talking about the Moon, the term ‘promontorium’ describes a headland or cape, an outcrop of rock standing above the surrounding surface. One prominent example can be seen where 650km Mare S
JB Smith goes searching for solitude in the forested folds of the Rhinogs – and finds himself falling under the spell of Eryri/Snowdonia’s quieter side
DID YOU KNOW? JWST’s primary mirror weighs 705 kilograms ...
This week’s dream: the ancient marvels of Campi ...
In professional mountain biking, it’s downhilling that is the most dynamic… and dangerous. Dominic Bliss met the crazy riders at the 2025 downhilling World Championships, in the Swiss Valais region, and discovered why they launch themselves down steep mountain trails at full tilt
The angle the ecliptic makes with the western horizon around sunset is maximised at this time of year, which gives us a good view of any of our Solar System neighbours positioned on the eastern side o