Stunning Hubble Space Telescope image of an hourglass-shaped planetary nebula. The vibrant colors represent glowing gases (nitrogen-red, hydrogen-green, oxygen-blue) ejected from a dying Sun-like star, its core collapsing into a white dwarf. This breathtaking cosmic spectacle reveals intricate details of a star's final phase.

Astronomy Picture from 10/05/2015

MyCn18: An Hourglass Planetary Nebula

Source: https://apod.nasa.gov/apod/ap150510.html


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