How To Go To Space
Do you want to go to space? Do you want to learn about bending computers and boxes that make clothes smell better and sky boats with turning wings? [via minutephysics]
Tagged: sky
Airglow: Why The Night Sky Is Really Green
If you look closely enough, you’ll see the night sky is actually a little green. [via scishow]
Why is it Dark at Night?
Have you ever wondered why you look up and see a dark sky at night? [Via minutephysics]
