Astronomers have argued for years over whether massivegalaxies form from scratch, or by chunking together smaller galaxies. Lately, evidence is building for the latter theory, and anew study adds to ...
Aujourd’hui, créer un formulaire web ne suffit plus : encore faut-il qu’il soit utilisable par tous, y compris les personnes en situation de handicap. Trop souvent reléguée au second plan, ...
This spectacular, multi-hued formation of lenticular clouds was observed soon after the sun set over Rocky Mountain National Park near Estes Park, Colo., on Jan. 5. Professional photographer Richard H ...
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