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Credit & Copyright: Göbor Galambos
Explanation:
This colorful skyscape
spans about three full moons across nebula rich
starfields along the plane of
our Milky Way Galaxy toward the royal northern constellation
Cepheus.
Near the edge of the region's massive molecular cloud some 2,400
light-years away, bright reddish emission region
Sharpless
(Sh)2-155 is at the center of the frame, also known as the
Cave Nebula.
About 10 light-years across the cosmic cave's bright walls of
gas are ionized by ultraviolet light from the hot young stars around it.
Dusty bluish reflection nebulae,
like vdB
155 at the left, and dense obscuring clouds of dust also abound on the
interstellar canvas.
Astronomical
explorations have
revealed other
dramatic
signs of star formation,
including the bright reddish fleck of
Herbig-Haro
(HH) 168.
At the upper left in the frame, the Herbig-Haro object emission is
generated by energetic jets from a
newborn star.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: emission nebula - reflection nebula
Publications with words: emission nebula - reflection nebula
See also:
- APOD: 2024 May 1 Á IC 1795: The Fishhead Nebula
- APOD: 2024 April 24 Á Dragons Egg Bipolar Emission Nebula
- APOD: 2024 March 13 Á The Seagull Nebula
- APOD: 2024 February 21 Á Seagull Nebula over Pinnacles Peak
- NGC 1893 and the Tadpoles of IC 410
- APOD: 2023 December 13 Á Deep Field: The Heart Nebula
- APOD: 2023 October 30 Á Reflections of the Ghost Nebula