Discoveries
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. […]
supernova
Zesty Lesson Plans
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 […]