Infographic of the Day: How to Catch an Asteroid: NASA Mission Explained

April 28th, 2013
in econ_news, syndication

An audacious plan included in NASA’s 2014 budget proposal would send a robotic spacecraft out to capture an asteroid and haul it back to an orbit around the moon for study. One of NASA’s stated goals is to visit an asteroid by the year 2025.

A 2012 Keck Institute study described an Asteroid Capture and Return (ACR) spacecraft capable of intercepting an asteroid. A 50-foot (15 meters) capture bag would enclose the asteroid and allow the spacecraft to maneuver the rock in space by firing its rocket engines.

Follow up:

The spacecraft’s main propulsion would be provided by Hall-effect thrusters. This is a type of ion engine in which the fuel (xenon gas) is accelerated by an electric field. Ion engines produce moderate thrust, but can be fired for a long time to build up acceleration. 

An asteroid would be moved from its original orbit to a new location near the moon, putting it in range of the manned Orion crew vehicle.

Find out how NASA's plan to move an asteroid works in this infographic.
Source All about our solar system, outer space and exploration



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