James Alfred Van Allen

Pioneering achievements in space science, Van Allen Radiation Belts

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#OnThisDay in 2006, the @IAU_org demoted Pluto from planet to dwarf planet. The decision, which remains controversi… https://t.co/2grMGphXo3

28 min 25 sec ago

Wondering what to expect at our newest Science After Hours experience on August 27? Adult Programs Specialist Adam… https://t.co/B0iLB9GzPN

3 hours 29 min ago

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