SPACE PHOTOS THIS WEEK: Cosmic Knots, Mars Rover, More

SPACE PHOTOS THIS WEEK: Cosmic Knots, Mars Rover, More
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July 7, 2009--The vast stellar nursery known as the Omega nebula seems to paint watercolor streaks across the cosmos in a newly released image from the European Southern Observatory's New Technology Telescope in Chile.

Also called the Swan, Horseshoe, or Lobster nebula, the uniquely shaped feature is one of the youngest and most massive star-forming regions in the Milky Way. The pastel hues of the new image are due to various types of gas--hydrogen, oxygen, nitrogen, and sulfur--being heated by the fierce glow of young stars.
— Image courtesy ESO
 
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