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Brian Grefenstette
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Science
NuSTAR and Nanoflares
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Perytons really are mythical creatues
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Huge and young, where’d it come from?
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Massive Black Holes and Size
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Rockets Galore
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That’s no moon…
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There’s no place like home
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Popularity and/or substance
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Astro Pics of the Year
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Merging Active Galaxies
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