the astronomers' theory is panspermia with a twist. They suggest that life can originate on a single planet and then propagate to others through the transportation provided by meteorites.

Pseudo-panspermia is the idea that many of the ... space rocks are packed with organic compounds was the Murchison meteorite, which fell in Australia in 1969. This is a carbonaceous ...

Scientists think they may have come from space. For years scientists had been finding organic compounds in meteorites, but could not rule out the possibility that they were Earth-based contamination.