NASA
Gallery · APOD
Sh2-188: The Shrimp Nebula
What causes the swirl in the Shrimp Nebula? Its high speed is likely. What is sure is that Sh2-188 is one of the larger planetary nebulas on the night sky, by angular size, spanning about half the diameter of the Moon. Moreover, the white-dwarf core -- leftover from the Sun-like star that shed its outer atmosphere -- is moving unusually fast through interstellar space, creating a bow shock most visible on the upper…
- Credit
- APOD · Pawel Piechnik
- Release
- ap260929
- Licence
- Credit as published
- Published
- Source
- APOD release page
- Full size
- Original file