The Geminga supernova as a possible cause of the local interstellar bubble

@article{Gehrels1993TheGS,
  title={The Geminga supernova as a possible cause of the local interstellar bubble},
  author={N. Gehrels and W. Chen},
  journal={Nature},
  year={1993},
  volume={361},
  pages={706-707}
}
THE Solar System resides at the edge of a cavity of hot (106 K), low-density (5×10−3 cm−3), X-ray emitting gas embedded in the interstellar medium1–4. This void, sometimes called the Local Bubble, is thought to be less than 107 years old, but its origin is unknown. Here we propose that the void was caused by the supernova that produced the Geminga pulsar. The initial identification5 of Geminga as a pulsar, and the subsequent detection6–8 of pulsations in high-energy γ-rays, give an age of 3×105… Expand
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