February 13, 2006
Your birthday is not just a date on a calendar. It is the yearly return of a moment when the universe became more observant, more feeling,...
The N44 Emission Nebula
Birthday · February 13, 2006
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APOD published February 13, 2006. Credit: WFI, MPG/ESO 2.2-m Telescope, La Silla, ESO. A publication-date match, not a photo taken on your date. Independent of NASA.
N44 is one of the largest and most intricate nebulas in this part of the universe. Located in our galactic neighbor the Large Magellanic Cloud, N44 houses numerous massive bright stars, lengthy lanes of dark dust, and vast clouds of hydrogen gas that glows red. The red color of the N44 emission nebula comes from pervasive hydrogen atoms re-acquiring electrons that were knocked away by energetic light from massive stars. The central stars also appear to have somehow created the huge superbubble visible in the lower left. N44, pictured above, spans about 1,000 light years and lies about 170,000 light years distant.
Image credit: WFI, MPG/ESO 2.2-m Telescope, La Silla, ESO