About the Book
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 44. Chapters: Pleiades, Open cluster, Hyades, List of open clusters, Beehive Cluster, Jewel Box, Eagle Nebula, Blanco 1, Messier 34, NGC 6791, NGC 7142, Messier 67, Trapezium Cluster, Messier 38, NGC 6193, NGC 602, NGC 663, Double Cluster, Messier 29, IC 4651, Messier 41, Messier 46, Open cluster remnant, IC 5146, Messier 39, NGC 884, Butterfly Cluster, NGC 6281, NGC 869, Hodge 301, Coma Star Cluster, Messier 35, NGC 2129, NGC 7380, Pismis 24-1, NGC 6357, NGC 2264, NGC 2362, Messier 7, NGC 6820 and NGC 6823, IC 2602, NGC 3532, Messier 37, Wild Duck Cluster, NGC 752, Messier 47, IC 2391, NGC 457, NGC 2477, NGC 346, NGC 2516, IC 348, NGC 188, Alpha Persei Cluster, Messier 93, Collinder catalog, Stephenson 2, Messier 48, Quintuplet cluster, Trumpler 10, NGC 6231, RSGC3, NGC 6067, Messier 36, Messier 103, Messier 25, NGC 7822, Collinder 140, Alicante 8, NGC 637, Messier 26, Messier 23, Messier 21, NGC 6885, Open cluster family, NGC 7243, Messier 18, NGC 265, Robust associations of massive baryonic objects, Messier 50, NGC 559, NGC 1872, NGC 2506, NGC 2244, NGC 290, Snowflake Cluster, NGC 6124, NGC 1850, NGC 2360, NGC 225, Messier 52, NGC 7789, NGC 3766, NGC 189, NGC 6756, NGC 2355, NGC 2158, NGC 6087, NGC 6738, IC 4665, NGC 1664, NGC 6755, AM 2, NGC 6866, NGC 7510, NGC 6834, NGC 1907, NGC 6709, NGC 7686, NGC 6633, NGC 3293, NGC 6603, NGC 6208, NGC 2451, Chereul 3, NGC 6167, NGC 1893, NGC 2169, NGC 381, NGC 2175, NGC 6520, NGC 6242, NGC 6250, NGC 6025, NGC 5822, NGC 6200, NGC 6819, NGC 6204, NGC 6152, NGC 6530, NGC 5749, NGC 7790, NGC 4463, NGC 2547, NGC 2349, NGC 2546, NGC 2204, NGC 659, IC 4756, Lithium depletion boundary, NGC 2374. Excerpt: An open cluster is a group of up to a few thousand stars that were formed from the same giant molecular cloud and have roughly the same age. They are loosely bound to each other by mutual gravit...
