ISS - Fail. Fail Forward, Though, Right?

Six seconds after takeoff when the second set of engines were supposed to take over, the rocket blew up. No casualties reported yet. It's sad, but mistakes happen. Most important is to learn from it and prevent it from happening again.

Physics Demos from Space - What Happens in a Weightless Environment?

This is a long exposure shot of the Earth from the ISS.  What do you think are those blue spots on the Earth as well as those blue streaks in space?  Leave the possibilities in the comment section below.  

If you want more from this particular astronaut, he's completed many physics experiments in space, taking advantage of the weightless environment.