#planetary nebula

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The Ring Nebula (M57), is more complicated than it appears through a small telescope. The easily visible central ring is about one light-year across, but this remarkably deep exposure shows in detail the looping filaments of glowing gas extending much farther from the nebula’s central star. This image, taken by combining data from three different large telescopes, includes red light emitted by hydrogen as well as visible and infrared light. The Ring Nebula is an elongated planetary nebula, a type of nebula created when a Sun-like star evolves to throw off its outer atmosphere to become a white dwarf star. The Ring Nebula is about 2,500 light-years away from us here on Earth.

Image Credit: Hubble, Large Binocular Telescope, Subaru Telescope; Composition & Copyright: Robert Gendler

Supernova remnant Simeis 147 by Emil Ivanov (source)

Supernova remnant Simeis 147 by Emil Ivanov (source)


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This is the Eight Burst Nebula! The bright white dwarf at the center of this planetary nebula result

This is the Eight Burst Nebula!

The bright white dwarf at the center of this planetary nebula results in this rainbow glow from its intense ultraviolet radiation. The beautiful structure of this nebula is known to arise from the death of a Sun-like star, but its asymmetry draws questions to this day!

Taken by me (Michelle Park) using the Slooh Chile Two telescope on December 27th, 2021 at 05:03 UTC. 


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This is the Trifid Nebula! This nebula’s unique name comes from the 3 dark bands of dust that traver

This is the Trifid Nebula!

This nebula’s unique name comes from the 3 dark bands of dust that traverse its center. Despite the nebula itself holding many massive stars, it is no longer undergoing star formation because these highly radiative stars have blown a lot of the dust away!

Taken by me (Michelle Park) using the Slooh Canary Two telescope on February 5th, 2022 at 8:37 UTC.


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