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Chandra Finds Relativistic Pinball

The ACIS data suggests cosmic rays come not from the birth of atoms, as originally proposed by Robert Millikan, but from the death of stars.

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Summertime Stargazing Outline

Summertime Stargazing 5 Classes: Course Objectives: Learn about celestial objects; Learn about telescopes; Learn about constellations. Course Outline: Class 1:     Introduction, Objectives, Celestial Objects. Housekeeping. Class Introduction. Class Schedule. Fun Trivia Test. Class Votes for Optional/Cloudy Night Topics Class Objectives. Learn about celestial objects. Composition Origin Impact on Ancient Philosophers.  History of Significant Discoveries. Learn […]

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