Astronomy Picture of the Day

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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Publications with keywords: ISS
Publications with words: ISS
See also:

• Reflections on Planet Earth
• Wringing a Wet Towel in Orbit
• Yuri s Planet
• Space Station Lookout
• ISS and the Summer Milky Way
• Orbiting Astronaut Self Portrait
• A Dark Earth with a Red Sprite

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