Call for U.S. Scientists to serve on the ATHENA Science Study Team Working Groups

On 13 November 2014, NASA issued a second Dear Colleague Letter (pdf file) asking for community participation in the "Advanced Telescope for High-ENergy Astrophysics" (ATHENA) Science Study Team Working Groups, the deadline for which is 5:00 pm EST on December 1st, 2014

Please refer to the Physics of the Cosmos (PCOS) home page for more information.

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