November 6, 2009
On the day you were born, the universe was already ancient beyond measure — and yet, in all those billions of years, it had never once...
Ring Nebula Deep Field
Birthday · November 6, 2009
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APOD published November 6, 2009. Credit: Vicent Peris (DSA / OAUV / PixInsight), Jack Harvey (DSA / SSRO), Steve Mazlin (DSA / SSRO), Jose Luis Lamadrid (DSA / ceFca), Ana Guijarro (CAHA), RECTA, DSA.. A publication-date match, not a photo taken on your date. Independent of NASA.
A familiar sight to sky enthusiasts with even a small telescope, the Ring Nebula (M57) is some 2,000 light-years away in the musical constellation Lyra. The central ring is about one light-year across, but this remarkably deep exposure - a collaborative effort combining data from three different telescopes - explores the looping filaments of glowing gas extending much farther from the nebula's central star. Of course, in this well-studied example of a planetary nebula, the glowing material does not come from planets. Instead, the gaseous shroud represents outer layers expelled from a dying, sun-like star. This remarkable composite image includes narrowband image data recording the Ring's atomic hydrogen emission (shown as violet) in visible light and molecular hydrogen emission (shown as red) at near infrared wavelengths. The much more distant spiral galaxy IC 1296 is also visible at the upper right.
Image credit: Vicent Peris (DSA / OAUV / PixInsight), Jack Harvey (DSA / SSRO), Steve Mazlin (DSA / SSRO), Jose Luis Lamadrid (DSA / ceFca), Ana Guijarro (CAHA), RECTA, DSA.