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Moose
Moose

Cervids, or deer, are members of Cervidae, a family of hoofed ruminant mammals in the order Artiodactyla. They are widespread throughout North and South America, Europe, and Asia, and are found in a wide variety of biomes. Cervids range in size from the 60 cm (24 in) long and 32 cm (13 in) tall pudú to the 3.4 m (11.2 ft) long and 3.4 m (11.2 ft) tall moose (example pictured). The fifty-four species of Cervidae are split into eighteen genera within three subfamilies: Capreolinae (New World deer), Cervinae (Old World deer), and Hydropotinae (water deer). Extinct species have also been placed into Capreolinae and Cervinae. More than one hundred extinct Cervidae species have been discovered, though due to ongoing research and discoveries the exact number and categorization is not fixed. (Full list...)

Messier 78

Messier 78 (M78) is a reflection nebula in the constellation Orion. It was discovered by French astronomer Pierre Méchain in 1780 and included by Charles Messier in his catalog of comet-like objects that same year. M78 is easily found with a small telescope as a hazy patch and features two stars of tenth and eleventh magnitude, which illuminate the cloud of dust in the nebula and make it visible. This photograph of the nebula was captured by the Wide Field Imager of the MPG/ESO telescope at the European Southern Observatory's La Silla Observatory in Chile.

Photograph credit: Igor Chekalin

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