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http://www.nasa.gov/mediacast/space-to-ground-orbital-atk-12042015: Space to Ground: Orbital ATK: 12/04/2015
NASACast

Direct link Space to Ground: Orbital ATK: 12/04/2015

4 Dec 2015, 11:49 UTC
http://www.astronomycast.com/2015/11/ep-393-the-standard-model-leptons-quarks/: Ep. 393: The Standard Model, Leptons & Quarks
Astronomy Cast

Direct link Ep. 393: The Standard Model, Leptons & Quarks

30 Nov 2015, 00:00 UTC

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