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M42 (NGC 1976), the Great Nebula, a gigantic bright nebula some 30 parsecs in
diameter, the birthplace of newly forming stars. Its fan- shaped structure displays
many obscuration areas such as the Fish's Mouth Nebula, seen here as a dark ...
one another by a vast distance, with £ 2, the eastern member, at the nominal
distance of 155 light years from our Sun, and £ 1, a bright class-B supergiant with
emission features, probably some 5,700 light years distant. Thus our Sun and t, ...
At the very wide separation of 34.3 seconds, the components are 400 billion
miles apart; if circled by a planet, each star would appear only as a very tiny
bright disk in the planetary heavens of the other! (If these stars were as small as
our Sun, ...
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The constellationsUser Review - Not Available - Book Verdict
This book combines several different methods of discussing the constellations and offers hints for locating them and some of their more notable stars. Further, it gives the mythological background for ... Read full review
one Two Bears and a Dragon
two Ursa Major and Ursa Minor
16 other sections not shown