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Planetary Nebula Abell 78 Revealed in Amazing New Photo 5nvklj





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Planetary Nebula Abell 78 Revealed in Amazing New Photo

Dragon
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Post by Dragon Sun Mar 21, 2021 3:36 am

Astronomers using the NASA/ESA Hubble Space Telescope and the 1.8-m Pan-STARRS1 telescope have captured a detailed image of the unusual planetary nebula Abell 78.

Abell 78 resides approximately 5,000 light-years away in the constellation of Cygnus.

Also known as ACO 78, PK 081-14.1 and ARO 174, this planetary nebula is 2.8 light-years across.

Abell 78’s faint halo consists mostly of hydrogen, and its inner elliptical ring is made of helium.

“After exhausting the nuclear fuel in their cores, stars with a mass of around 0.8 to 8 times the mass of our Sun collapse to form dense and hot white dwarf stars,” Hubble astronomers said.

“As this process occurs, the dying star will throw off its outer layers of material, forming an elaborate cloud of gas and dust known as a planetary nebula.”


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Planetary Nebula Abell 78 Revealed in Amazing New Photo 334pu7m
Dragon
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Post by Dragon Sun Mar 21, 2021 3:39 am

Planetary Nebula Abell 78 Revealed in Amazing New Photo Image_9447-Abell-78
Image credit: NASA / ESA / Hubble / M. Guerrero / Judy Schmidt

This composite image by Hubble and Pan-STARRS1 telescopes shows Abell 78, a planetary nebula located 5,000 light-years away in the constellation of Cygnus.


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Planetary Nebula Abell 78 Revealed in Amazing New Photo 334pu7m
Dragon
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Post by Dragon Sun Mar 21, 2021 3:40 am



Hubble Captures Re-energized Planetary Nebula


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Planetary Nebula Abell 78 Revealed in Amazing New Photo 334pu7m

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