NATS 1745 Study Guide - Harlow Shapley, Vesto Slipher, Hubble Space Telescope
15 Apr 2014
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That we are a part of a disk-shaped star system. the milky way. It is our view through the disks length. It was given this name from its milky appearance. William, caroline, and john used their giant telescopes to catalog over 5,000 nebulae. They were attempting to identify whether nebulae are distant star systems or nearby glowing gas clouds. Because of the large variety of nebulae, the herschels couldn"t come up with a conclusion. Herschel"s map of visible stars revealed that our galaxy is the shape of a disk. Explain briefly why cepheids pulsate. stars which pulsate rapidly (at intervals of days to weeks) and has highly opaque surface; its outward photons push surface outwards, which temporarily expands the star and reduces its opacity. A star which fluctuates in brightness at regular time intervals. Lmc is the large magellanic clouds (they are galaxies).
