With the goal of capturing frequent snapshots that show the planet's changes in real-time without breaking bank, California company Planet Labs has revealed its plan to launch 28 teensy satellites called "Doves" to space. Existing imaging satellites are extremely expensive to make and usually capture huge pictures that take days to send back. Each Dove, however, consists of relatively affordable 10-centimeter-wide Lego-like building blocks called CubeSats and will quickly beam
