TUMBLING ALONG, THE SPUTNIK-3 ROCKET BODY APPEARS TO FLASH ON AND
OFF TO GROUND OBSERVERS.  THE LONG EXPOSURE OF THE CAMERA CAPTURES
THE FLASHES AS STREAKS IN THE ABOVE PRESS PHOTO THAT WAS PURCHASED
ON EBAY.  NOTICE HOW THE STREAKS TAPER TO FINE POINTS REVEALING THE
SLOW CHANGE OF BRIGHTNESS AS THE REFLECTED SUNLIGHT FROM THE
SATELLITE CYCLES ON AND OFF.  SEE PHOTO INFO AND CREDITS ABOVE