Beautiful poster by Gary, Aaron & Khairul // buy it here // via Quipsologies.
nature
small
Electron microscopy from the FEI Image Gallery // An introduction to electron microscopy.
SquirrelDoodle
Cute doodle on one of my favorite subjects // Humanimal Doodles by Karen Romano Young.
Spot
Jupiter’s Great Red Spot, enhanced form a 1979 Voyager image // via APOD.
Sol
From NASA/Goddard’s Solar Dynamics Library.
From NASA Goddard’s Flickr stream.