C. R. "Chuck" Downing
shared:
8/9/2017 8:05:23 AM
Reply#SciFact Some comet jets can be very short-lived. Check the link! Sherry Frazier https://t.co/4ai2xwAg5N https://t.co/NBFx1KsIYJ
— C.R. Downing (@CRDowningAuthor) August 9, 2017