Orion Nebula, Messier 42
The dusty side of the Sword of Orion is illuminated in this infrared image from the Hershel Space Observatory. This immense nebula is the closest large region of star formation, situated about 1,500 light years away in the constellation of Orion. The parts that are easily observed in visible light, known alternatively as the Orion Nebula or Messier 42, correspond to the light blue regions. This is the glow from the warmest dust, illuminated by clusters of hot stars that have only recently been born in this chaotic region. The red spine of material running from corner to corner reveals colder, denser filaments of dust and gas that are scattered throughout the Orion nebula. In visible light this would be a dark, opaque feature, hiding the reservoir of material from which stars have recently formed and will continue to form in the future.
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Keywords: 42, 1976, astronomical, astronomy, astrophysical, astrophysics, body, celestial, cloud, complex, cosmic, deep, formation, heavenly, interstellar, m42, messier, molecular, nebula, nebulae, ngc, ngc1976, nursery, object, orion, region, science, sky, space, star, star-forming, stellar, sword
