NASA’s New Planetary Defense Office Is Open for Business

As technology advances, NASA is becoming aware of an increasing number of near-Earth objects (NEOs).  In an effort to coordinate defense against possible future collisions, NASA just established the Planetary Defense Coordination Office (PDCO). The goal of this program is to identify as many NEOs as possible, determine if they …

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Comet Chaser Rosetta Reaches Final Destination

History was made yesterday between the orbits of  Jupiter and Mars.  After a decade filled with anticipation and hope, the Rosetta spacecraft successfully reached its target, Comet 67P/Churyumov–Gerasimenko.  Moreover, at only 100 km from the surface, the spacecraft will eventually be guided into an orbit around the comet. A comet is …

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