Image Credit: Expedition 38 Crew, NASA
Explanation: Cubes are orbiting the Earth. Measuring ten-centimeters
on a side, CubeSats -- each
roughly the size of a large coffee mug --
are designed to be inexpensive both to build and to launch. Pictured
above, three CubeSats were released from the International Space
Station (ISS) last November by the arm of the Japanese Kibo
Laboratory module. CubeSats are frequently
created by students as part of university science or engineering
projects and include missions such as collecting wide angle imagery of the
Earth, testing orbital radio communications, monitoring the Earth's magnetic field, and exploring the Earth's surrounding radiations.
Depending on the exact height of their release, CubeSats
will re-enter the Earth's
atmosphere on the time scale of months to years.
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