Offers basic information about astronomy, including its terminology, the best equipment to purchase for stargazing, and images of over one hundred objects to view in the night sky such as star clusters, nebulae, and galaxies.For historical reasons, astronomers use both traditional and metric units, often mixed together willy-nilly. ... To the naked eye or with a binocular, Polaris is a bright (second magnitude or m2.0; see the upcoming note on Stellar Magnitudes foranbsp;...
|Title||:||Illustrated Guide to Astronomical Wonders|
|Author||:||Robert Thompson, Barbara Thompson|
|Publisher||:||"O'Reilly Media, Inc." - 2007|