(SFGate) - The meteor that exploded in a brilliant burst of flame above the Bay Area on Wednesday was a lonely remnant from the birth of the solar system, and may have left its rocky debris in a band stretching east of San Rafael toward Napa and Sonoma, the astronomer who calculated its path reported Friday. Peter Jenniskens, an internationally known meteor scientist at the SETI Institute in Mountain View, told The Chronicle that two separate video images of the explosion showed that the meteor's rocks could not have fallen over Martinez as early reports said.