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  • All About Space

    SPITZER’S INFRARED UNIVERSE

    Dec 30, 2021 5 minutes
    Written by Hanneke Weitering

    NORTH AMERICA NEBULA

    Spitzer captured this infrared view in 2011. Since infrared light can penetrate dust, the shape of the nebula – which usually resembles the continent of North America – changes completely. The dusty, dark clouds in visible-light images vanish in Spitzer’s view. In addition, Spitzer’s infrared detectors display the glow of dusty cocoons enveloping baby stars.

    THE SWAN NEBULA

    Spitzer captured this infrared view of the choppy star-making cloud Messier 17, also known as the Omega Nebula or the Swan Nebula, in 2008. The region lies around 5,500 light years away in Sagittarius.

    DUMBBELL NEBULA

    The Dumbbell Nebula, also known as Messier 27, pumps out infrared light in this image. The nebula was named after its resemblance to a dumbbell as seen in visible light. It was discovered in 1764 by Charles Messier, who

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