Orion–Eridanus Superbubble

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The Orion-Eridanus superbubble in soft X-rays

The Orion–Eridanus Superbubble, or Eridanus Soft X-ray Enhancement is a superbubble located west of the Orion Nebula. The region is formed from overlapping supernova remnants that may be associated with the Orion OB1 stellar association; the bubble is approximately 1200 ly across.[1] It is the nearest superbubble to the Local Bubble containing the Sun, with the respective shock fronts being about 500 ly apart.[1]

The structure was discovered from 21 cm radio observations by Carl Heiles in the 1970s.[2]

See also

References

  1. ↑ 1.0 1.1 Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.


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