Just a reminder...Sally Ride became the first American woman in space thirty years ago today as a mission specialist on shuttle flight STS-7.

I'm sure there will be plenty of tributes to Sally Ride today so I'll just post one of my favorite lines of hers. When asked why she wanted to go into space she replied:

“I’ve discovered that half the people would love to go into space and there’s no need to explain it to them. The other half can’t understand and I couldn’t explain it to them. If someone doesn’t know why, I can’t explain it.”

Image from NASA.