This region of low-density, high-temperature plasma, about 1,000 light-years across, is surrounded by a shell of cooler, denser neutral gas and dust. It's called the Local Bubble, and precisely how and why it came to exist, with the Solar System floating in the middle, has been a challenge to explain.
The Local Bubble was only discovered relatively recently, in the 1970s and 1980s, through a combination of optical, radio, and X-ray astronomy. Gradually, these surveys and observations revealed a huge region about 10 times less dense than the average interstellar medium in the Milky Way galaxy.
Lmao we ALL live in a bubble!! 🤣🤣🤣🤣
Wow
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