Perfectly Justified Response
by Peter A. Schaefer
Nome’s lab partner has a time machine, and she’s considering sending various objects
back 30 years or possibly back to the time when the Earth first formed through planetary
accretion.
Did you know the Earth formed through planetary accretion during the formation of the
Solar System approximately four-point-five billion years ago?
“Perfectly Justified Response” by Peter A. Schaefer,
Daily Science Fiction, 13 January 2015
[webzine].