SpaceX Dragon Spacecraft Packed with Big Science for Space Station (Infographic)

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SpaceX's third Dragon spacecraft cargo delivery to the International Space Station is packed with big science for astronauts on the International Space Station. See rundown of the weird science riding SpaceX's CRS-3 Dragon mission to the space station in
SpaceX's third Dragon spacecraft cargo delivery to the International Space Station is packed with big science for astronauts on the International Space Station. See rundown of the weird science riding SpaceX's CRS-3 Dragon mission to the space station in this Space.com infographic. (Image credit: Art: Anita Rahman, Text: Jennifer Lawinski, Social)

When the private spaceflight company SpaceX launches its third cargo delivery mission to the International Space Station, the flight's robotic Dragon spacecraft will be packed with 5,000 lbs. of vital supplies, including some intriguing technology and science experiments.

The Dragon spacecraft is slated to launch in April 2014 atop a SpaceX Falcon 9 rocket. Here's a look at some of the strange NASA science hitching a ride to the International Space Station on the Dragon's "wings":

NASA's humanoid Robonaut 2 droid has been on the space station since 2011, but was launched into orbit with only a torso, arms and head. Dragon will deliver two strange legs for Robonaut 2 as a technology demonstration. The legs are designed to allow Robonaut 2, or R2 as NASA calls it, to one day "walk" on the exterior of the International Space Station to make repairs.

NASA is redefining how to build satellites by merging smartphone technology with tiny cubesats. PhoneSat 2.5 is NASA's fifth smartphone-based cubesat mission. It is designed to be controlled from Earth via another smartphone.

Dragon will deliver NASA's first laser-based communications system for the International Space Station as part of the Optical Payload for LaserComm Science, or OPALS for short. The system is a prototype designed to beam high-definition videos down to Earth.

The Center for Advancement of Science in Space will have a wealth of science riding up to the International Space Station on the Dragon spacecraft. The experiments cover a wide range of subjects, including experiments to study how protein crystals grow in weightlessness,a miniature space farm to see how lettuce grows without gravity, and several experiments related to gene expression for illnesses like Huntington's Disease and Parkinson's Disease.

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