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Bookmark or Share- Hubble Spots a Cosmic Cloud’s Silver Lining - NASA ScienceEmission nebulae are bright, diffuse clouds of ionized gas that emit their own light. The bright star V565 (center of the image) highlights a silvery, fan-shaped veil of gas and dust, while the right half of this image is obscured by a dense cloud of dust.
- Hubble’s Nebulae - NASA ScienceEmission Nebulae. Emission nebulae are so named because they emit their own light. This type of nebula forms when the intense radiation of stars within or near the nebula energizes the gas. A star's ultraviolet radiation floods the gas with so much energy that it strips electrons from the nebula's hydrogen atoms, a process called ionization.
- Webb captures iconic Horsehead Nebula in unprecedented detailHorsehead Nebula (MIRI image) Thanks to Webb’s MIRI and NIRCam instruments, an international team of astronomers have revealed for the first time the small-scale structures of the illuminated edge of the Horsehead. They have also detected a network of striated features extending perpendicular to the PDR front and containing dust particles and ionised gas entrained in the photo-evaporative ...
- Caldwell 11 - NASA ScienceCaldwell 11 is an emission nebula — a cloud of gas that gives off its own light — and actually includes not just the bubble but all the gas surrounding it as well. Stars shine throughout the field like specks of glitter, adding to the nebula’s stunning composition.
- NASA SVS | Hubble's Field Guide to NebulaeReleased Monday, November 1, 2021. ID: 13983. Produced by: Paul Morris. Written by: Andrea Gianopoulos. View full credits. Nebulae are some of the most resplendent objects in the universe, but it’s easy to confuse which one is an “emission nebula,” and which one is an “absorption nebula.”
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