Atlantis has Hubble...
Lookin' good.
From NASA TV
leading edge of the right wing got dinged by tank foam, apparently,
shallow 50cm line of gashes on the high T tiles
should be ok, expect they'll check it out...
More like this
I always tell my students that they should never just write down an equation blindly and start plugging things in. If you don't understand what you're doing, you're much more likely to make a mistake.