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ipedia.com: Timeline of astronomical maps, catalogs, and surveys Article (Site not responding. Last check: 2007-10-16) |
 | | Timeline of astronomical maps, catalogs and surveys 1800 BC - Babylonian star catalog 350 BC - Shin Shen's star catalog has almost 800 entries 134 BC - Hipparchus makes a detailed star map ca. |
| | Timeline of astronomical maps, catalogs, and surveys Article - ipedia.com |
| | 1990 - Publication of APM Galaxy Survey of 2+ million galaxies, to study Large-scale structure of the cosmos |
| www.ipedia.com /timeline_of_astronomical_maps__catalogs__and_surveys.html (404 words) |
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