HW02 - Brandon Howard 9-29-07 Stellar Astronomy Homework #2...

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Brandon Howard Stellar Astronomy 9.29.7 Homework #2 1. The local sky looks like a dome because it is the sky visible from one particular location on the Earth’s surface and an observer can only see a little less than half the sky from point like this, giving the view its dome shape. The horizon is the horizontal line or boundary that divides what we can see in the sky from what we cannot. The zenith is the point directly above you at 90 degrees. The meridian is a line, or half circle, starting at your horizon due south and traveling through your zenith to your horizon due north. You can describe an object in the local sky by identifying its direction along the horizon and its altitude in the sky. 2. A circumpolar star is one that never passes below the horizon for a certain altitude. More stars are circumpolar at the North Pole because its positioning on the globe allows it to be at a point that never travels in relativity to the earth’s rotation and therefore nearly all of its stars would be circumpolar while not
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This homework help was uploaded on 04/21/2008 for the course SCI 101 taught by Professor Unknown during the Fall '08 term at RIT.

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HW02 - Brandon Howard 9-29-07 Stellar Astronomy Homework #2...

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