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3 Kommentare
Image from this post, text from post below the link:
[https://esahubble.org/images/heic2604a/](https://esahubble.org/images/heic2604a/)
This newly processed image from the NASA/ESA Hubble Space Telescope is the clearest view yet of the Egg Nebula. It is a preplanetary [nebula](https://esahubble.org/wordbank/nebula/), a structure of gas and dust created as a Sun-like star approaches the end of its life. The Egg that we see now will eventually hatch, revealing a [white dwarf](https://esahubble.org/wordbank/white-dwarf/) at its centre and leaving its shell to become a spectacular [planetary nebula](https://esahubble.org/wordbank/planetary-nebula/).
Many preplanetary nebulae are relatively dim and hard to spot. They are made of layers of gas ejected by the star, but that star is not yet hot enough to ionise the gas and cause it to glow. The Egg Nebula is relatively unique, easily visible as a sparkling jewelled egg in space. Powerful beams of starlight blast out of the inner cloud, two a-side, giving a breathtaking illumination to this cosmic structure. Fast-moving outflows of hot molecular hydrogen also emerge from within the dust cloud, visible just at the base of the searchlight beams. These outflows glow with infrared light, which is shown in this image by orange highlights.
The central cloud of dust is surrounded by concentric rings, themselves made up from thin, faint arcs of gas. These were created by successive outbursts from the central star, which ejected a little more material from its outer surface every few hundred years. The beams of starlight are reflected by these layers of gas, creating an appearance like ripples on the surface of water. The way that gas molecules reflect and scatter light gives a bluish colour to the arcs. The reflected starlight reveals important details about the central star, which is impossible to view directly in its dusty shell.
Reminds me of the Wind Fish at the end of Zelda: Legend of Link’s Awakening. What a beautiful image.
Wow, just wow! It looks like a celestial baby!