Life

Life is a characteristic distinguishing physical entities having biological processes (such as signaling and self-sustaining processes) from those that do not, either because such functions have ceased (death), or because they lack such functions and are classified as inanimate. ...

Lion Cub Lying Down

Lion Cub Lying Down

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in cat. Animals

NASA - 10000 Galaxies, HST Ultra Deep

NASA - 10000 Galaxies, HST Ultra Deep

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in cat. Space

NASA - The Horsehead Nebula, B33, Orion Nebula

NASA - The Horsehead Nebula, B33, Orion Nebula

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in cat. Space

NASA STS-118 Space Shuttle Mission

NASA STS-118 Space Shuttle Mission

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Proxy Falls, Cascade Range, Oregon

Proxy Falls, Cascade Range, Oregon

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in cat. Nature

Puppy Love

Puppy Love

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Red Cactus Flower, Arizona, USA

Red Cactus Flower, Arizona, USA

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in cat. Flowers

Rolling Fall Landscape, Appalachian Mountains, North Carolina

Rolling Fall Landscape, Appalachian Mountains, North Carolina

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in cat. Nature

Scarlet Skies, Crater Lake, Oregon

Scarlet Skies, Crater Lake, Oregon

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in cat. Nature

Shuttle View Of The Sunshine State, Florida

Shuttle View Of The Sunshine State, Florida

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in cat. Space

Single Green Rose Bud with Sequins

Single Green Rose Bud with Sequins

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Snow-Covered Alaskan Range, Alaska

Snow-Covered Alaskan Range, Alaska

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in cat. Nature

Space Shuttle Discovery on the Tarmac

Space Shuttle Discovery on the Tarmac

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in cat. Space

Stars at the Galactic Center, Milky Way Galaxy

Stars at the Galactic Center, Milky Way Galaxy

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in cat. Space

Summer Storm Approaching, Newfound Gap, Smoky Mountains

Summer Storm Approaching, Newfound Gap, Smoky Mountains

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in cat. Nature