“Dear PoPville,
Was playing tennis by Nats park and at least 15 of these streaks across the sky appeared with tails lasting for 20 minutes, as many as 3 or 4 at a time and crashing down…have you heard from anyone else on this?”
Twitter/X tells us they are just contrails:
“The angle looks so strange but apparently it is just normal planes, I saw a bunch tonight around sunset from my rooftop.”