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Helix nebula, HST image
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Helix nebula, HST image
Helix Nebula. Hubble Space Telescope image of the Helix planetary nebula (NGC 7293). This comprises shells of gas cast off a Sun-like star near the end of its life. The colours are due to gases in the shells being ionised by radiation from the central star that ejected them. The blue colour comes from oxygen and the red from hydrogen and nitrogen. Despite its ring shape, it is thought that the nebula is actually a cylinder aligned end on to Earth. This is one of the nearest planetary nebulae to Earth, lying 650 light years away in the constellation Aquarius. It is 3 light years in diameter, and appears half a Moon-width wide
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Media ID 6442623
© NASA/ESA/STSCI/C.ODELL, VANDERBILT U. ET AL/ SCIENCE PHOTO LIBRARY
Advanced Camera For Surveys Aquarius Astrophysical Astrophysics Evolution Hubble Space Telescope Planetary Nebula Shell Shells Star Death Stellar Helix Nebula Ngc 7293
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This breathtaking print captures the mesmerizing beauty of the Helix Nebula, as seen through the lens of the Hubble Space Telescope. The Helix Nebula, also known as NGC 7293, is a planetary nebula formed by layers of gas expelled from a dying star resembling our Sun. The vibrant colors displayed in this image are a result of ionization caused by radiation emitted from the central star. Oxygen contributes to its striking blue hue while hydrogen and nitrogen give rise to shades of red. Despite its ring-like appearance, scientists believe that this celestial wonder is actually shaped like a cylinder when viewed end-on from Earth. Located approximately 650 light years away in the constellation Aquarius, it stands as one of our closest neighboring planetary nebulae. With a diameter spanning an impressive three light years, it appears half as wide as our Moon. This awe-inspiring photograph not only showcases the sheer magnificence and complexity found within our universe but also serves as a reminder of stellar evolution and inevitable star death. Captured using advanced camera technology aboard Hubble's Advanced Camera for Surveys (ACS), this image represents an extraordinary collaboration between science and artistry brought to us by Science Photo Library.
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