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Hace 1 hora · Sirius is the brightest star in the night sky.Its name is derived from the Greek word Σείριος (Latin script: Seirios), meaning lit. 'glowing' or 'scorching'. The star is designated α Canis Majoris, Latinized to Alpha Canis Majoris, and abbreviated α CMa or Alpha CMa.With a visual apparent magnitude of −1.46, Sirius is almost twice as bright as Canopus, the next brightest star.
Hace 1 día · From left to right: a polar bear (Ursus maritimus), a giraffe (Giraffa camelopardalis), †Paraceratherium transouralicum, †Patagotitan mayorum, two humans (Homo sapiens), †Palaeoloxodon recki, an African bush elephant (Loxodonta africana) and a white rhino (Ceratotherium simum). The largest prehistoric animals include both vertebrate and invertebrate species.
