The "Local Bubble" Was Probably Created By

Multiple Choice

The "Local Bubble" was probably created by:

A) the strong solar winds created by the newborn Sun.
B) the Crab Nebula supernova of 1054 AD.
C) the magnetic fields of the Milky Way in our spiral arm.
D) a nearby supernova perhaps 300,000 years ago, brighter than the full Moon.
E) the interaction between the solar wind and the Oort Cloud.