Hint | Answer | % Correct |
---|---|---|
discovered Milky Way | Galileo | 80%
|
used cepheid in Andromeda to measure distance, farther than size of Milky Way, proved island hypothesis | Edwin Hubble | 40%
|
professional musician, studied universe, Sun @ center of disk universe, discovered Uranus | William Herschel | 40%
|
made telescopes, especially one on Mt. Wilson | George Hale | 20%
|
used cepheid pulsation periods to infer magnitude and distance | Harlow Shapley | 20%
|
studied cepheids @ Harvard, slower period=brighter cepheid | Henrietta Leavitt | 20%
|
we're in the Milky Way, island universe vs. nebula hypothesis, ellipsoidal universe | Immanuel Kant | 20%
|
found that a spherical cloud of gas collapses into a disk | James Jeans | 20%
|
catalogued the solar spectrum | Joseph Fraunhofer | 20%
|
mapped emission lines, identified absorption lines | Kirchhoff/Bunsen | 20%
|
found stars in Andromeda spiral nebula arms | Ritchey/Curtis | 20%
|
the milky way is the band around the universe | Thomas Wright | 20%
|
distinguished populations 1+2 cepheids, found contradiction in period-luminosity law | Walter Baade | 20%
|
postulated that all nebulae are gas | William Huggins | 20%
|
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