You’re gonna hear me roar :

Have no fear: what might look like a nightmarish beast throwing its head back in an angry red sea is just a pillar of gas and dust. The Cone Nebula is 2,500 light-years away in the constellation Monoceros. This image, captured by @NASAHubble, shows the upper 2.5 light-years of the nebula; the entire nebula is 7 light-years long. Monstrous pillars of cold gas like the Cone are common in large regions of star birth. Astronomers believe the pillars are incubators for developing stars.

Over millions of years, radiation from hot, young stars (located beyond the top of the image) has slowly eroded the nebula. This process causes the hydrogen gas to glow, which produces the red halo of light seen around the pillar. A similar process occurs on a much smaller scale to gas surrounding a single star, forming the bow-shaped arc seen near the upper left side of the Cone. Eventually, only the densest regions of the Cone will be left. Inside these regions, stars and planets may form.

Image description: Against a dramatic red backdrop, a dark pillar of gas and dust stretches upward, its top illuminated by the reflected light of nearby stars. Some stars are sprinkled across the top of the image. There are also a few stars dotting the bottom of the pillar.

Credit: NASA, H. Ford (JHU), G. Illingworth (USCS/LO), M. Clampin (STScI), G. Hartig (STScI), the ACS Science Team, and ESA

#NASA #Nebula #Stars #Universe #Astronomy

 [ INFORMATION DATA: 17 September 2024 ] 

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