history, science, engineering, physics
published on: 2013-08-10 05:31:38
headlikeanorange: A male red-capped manakin trying to impress
canadian-space-agency: Earth’s blue halo. Photo Credit: Karen
fuckyeahfluiddynamics: Here’s an example of some baffling
spaceplasma: Astronomers celebrate ‘celestial pollution’
kidsneedscience: Hipparcos was a satellite launched and managed
crookedindifference: Space station poised to launch open-source