1![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: q 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: q](https://www.pdfsearch.io/img/5e8720c2e3975f7c9473f6aea2d80144.jpg) | Add to Reading ListSource URL: undsci.berkeley.eduLanguage: English - Date: 2009-01-26 12:44:13
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2![2 Discovery: The spark for science “Eureka!” or “aha!” moments may not happen frequently, but they are often experiences that 2 Discovery: The spark for science “Eureka!” or “aha!” moments may not happen frequently, but they are often experiences that](https://www.pdfsearch.io/img/b0afeae9cdd03063611e40fabcdc18d2.jpg) | Add to Reading ListSource URL: undsci.berkeley.eduLanguage: English - Date: 2013-10-31 11:59:33
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3![HET611-M17A01: Pulsating Stars: Stars that Breathe PAGE 1 OF 39 Pulsating Stars: Stars that Breathe HET611-M17A01: Pulsating Stars: Stars that Breathe PAGE 1 OF 39 Pulsating Stars: Stars that Breathe](https://www.pdfsearch.io/img/3461d09b3453a0f8ae9039e823cee60e.jpg) | Add to Reading ListSource URL: www.astronomy.swin.edu.auLanguage: English - Date: 2010-01-15 01:59:37
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4![HET611-M17A01: Pulsating Stars: Stars that Breathe PAGE 1 OF 39 Pulsating Stars: Stars that Breathe HET611-M17A01: Pulsating Stars: Stars that Breathe PAGE 1 OF 39 Pulsating Stars: Stars that Breathe](https://www.pdfsearch.io/img/b7a1b87b196370a2fb331584ac2f0869.jpg) | Add to Reading ListSource URL: astronomy.swinburne.edu.auLanguage: English - Date: 2010-01-15 01:59:37
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5![Cepheid Variable Star RS Puppis National Aeronautics and Space Administration Cepheid Variable Star RS Puppis National Aeronautics and Space Administration](https://www.pdfsearch.io/img/179b18612d719e1d091e17bf4f51aa63.jpg) | Add to Reading ListSource URL: amazing-space.stsci.eduLanguage: English - Date: 2014-10-06 11:21:13
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6![Microsoft PowerPoint - Cepheid Microsoft PowerPoint - Cepheid](https://www.pdfsearch.io/img/0e5e59eb4c0a0f45ced337f72d2c61e4.jpg) | Add to Reading ListSource URL: www.nmspacegrant.comLanguage: English - Date: 2011-04-25 16:45:34
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7![national academy of sciences Harlow Shapley 1885—1972 national academy of sciences Harlow Shapley 1885—1972](https://www.pdfsearch.io/img/4f625a303b8dc426ba6f096b91fe640b.jpg) | Add to Reading ListSource URL: www.nasonline.orgLanguage: English - Date: 2012-10-12 14:06:01
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8![Henrietta Leavitt - A Bright Star of Astronomy; Resonance June 2001 Henrietta Leavitt - A Bright Star of Astronomy; Resonance June 2001](https://www.pdfsearch.io/img/b60141133873c37763b73d93e234518a.jpg) | Add to Reading ListSource URL: www.ias.ac.inLanguage: English - Date: 2008-12-03 02:06:30
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9![January[removed]This article is based on the opening talk given at the conference Stellar Populations 2003, held in Garching, Germany January[removed]This article is based on the opening talk given at the conference Stellar Populations 2003, held in Garching, Germany](https://www.pdfsearch.io/img/bf0942f36d6bf2040d72f934f342fa7f.jpg) | Add to Reading ListSource URL: www.aas.orgLanguage: English - Date: 2008-08-19 09:11:39
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10![National Aeronautics and Space Administration Cepheid Calibration Fritz Benedict Taken from: Hubble 2006 Science Year in Review National Aeronautics and Space Administration Cepheid Calibration Fritz Benedict Taken from: Hubble 2006 Science Year in Review](https://www.pdfsearch.io/img/ef73dc8aca1c3e2732866ca9090f3c8f.jpg) | Add to Reading ListSource URL: hubblesite.orgLanguage: English - Date: 2014-02-05 13:37:39
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