The Local Bubble is probably the result of millions of years of stellar explosions.
, a cavity in space between the constellations Perseus and Taurus. The Per-Tau shell has large gas clouds, called molecular clouds, on either side of it, and researchers believe the shell is what remains of supernovae that pushed the gas outward. The recent team believe the Local Bubble has a similar origin, but as it is 10 times larger, probably required a bit more firepower to get going .
“The interaction of the two bubbles may potentially be the cause for the formation of Taurus. This however requires a further investigation.”, but modern techniques are able to test those theories in ways that weren’t previously possible. The researchers also note that it’s likely the Milky Way is chock-full of these bubbles, as, if they were rare, it’d be unlikely our solar system would just happen to be right at the center of one.
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