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| First Page | Document Content | |
|---|---|---|
 Date: 2011-10-28 17:43:34Harlow Shapley Harvard College Observatory Globular cluster Star RR Lyrae variable Variable star Henrietta Swan Leavitt Astronomy Space Solon Irving Bailey |
| The science checklist applied: Studying variable stars Compare this example—an astronomical breakthrough kicked off by the work of Henrietta Leavitt—to the science checklist, and see how you think it measures up: qDocID: 129G3 - View Document |
| 2 Discovery: The spark for science “Eureka!” or “aha!” moments may not happen frequently, but they are often experiences thatDocID: 11z3e - View Document |
| HET611-M17A01: Pulsating Stars: Stars that Breathe PAGE 1 OF 39 Pulsating Stars: Stars that BreatheDocID: ZzEH - View Document |
| HET611-M17A01: Pulsating Stars: Stars that Breathe PAGE 1 OF 39 Pulsating Stars: Stars that BreatheDocID: XVjz - View Document |
| Cepheid Variable Star RS Puppis National Aeronautics and Space AdministrationDocID: Ib74 - View Document |