Observatories & Telescopes: Ancient Observatories

search entire Website Network

<?xml version="1.0" encoding="UTF-8"?><navigation><item type="portal_topic" id="9607" name=" About Cosmos Portal" portal_id="1252" url="http://www.cosmosportal.org/topics/view/9607/" img_url="/files/21101_21200/21138/thumbs/file_21138_44x33_crop.jpg" hasChildren="yes"></item><item type="portal_topic" id="9662" name=" The  Universe" portal_id="1252" url="http://www.cosmosportal.org/topics/view/9662/" img_url="/files/21101_21200/21160/thumbs/file_21160_44x33_crop.jpg" hasChildren="yes"></item><item type="portal_topic" id="11723" name=" The Solar System" portal_id="1252" url="http://www.cosmosportal.org/topics/view/11723/" img_url="/files/24001_24100/24086/thumbs/file_24086_44x33_crop.jpg" hasChildren="yes"></item><item type="portal_topic" id="26913" name="Ask An Astronomer" portal_id="1252" url="http://www.cosmosportal.org/topics/view/26913/" img_url="/files/64001_64100/64087/thumbs/ask-an-astronomer_208x156_44x33_crop.jpg" hasChildren="no"></item><item type="portal_topic" id="9644" name="Disciplines and Professions" portal_id="1252" url="http://www.cosmosportal.org/topics/view/9644/" img_url="/files/21101_21200/21159/thumbs/file_21159_44x33_crop.jpg" hasChildren="yes"></item><item type="portal_topic" id="22126" name="Education" portal_id="1252" url="http://www.cosmosportal.org/topics/view/22126/" img_url="/files/50201_50300/50218/thumbs/file_50218_44x33_crop.jpg" hasChildren="yes"></item><item type="portal_topic" id="9654" name="Observatories and Telescopes" portal_id="1252" url="http://www.cosmosportal.org/topics/view/9654/" img_url="/files/24101_24200/24111/thumbs/file_24111_44x33_crop.jpg" hasChildren="yes" expanded="yes"><item type="portal_topic" id="11728" name="Historical" portal_id="1252" url="http://www.cosmosportal.org/topics/view/11728/" img_url="/files/24001_24100/24082/thumbs/file_24082_44x33_crop.jpg" hasChildren="yes"></item><item type="portal_topic" id="22116" name="10. Neutrino" portal_id="1252" url="http://www.cosmosportal.org/topics/view/22116/" img_url="/files/54401_54500/54403/thumbs/file_54403_44x33_crop.jpg" hasChildren="no"></item><item type="portal_topic" id="22108" name=" 3. Submillimeter" portal_id="1252" url="http://www.cosmosportal.org/topics/view/22108/" img_url="/files/50001_50100/50088/thumbs/file_50088_44x33_crop.jpg" hasChildren="yes"></item><item type="portal_topic" id="22040" name=" 4. Infrared" portal_id="1252" url="http://www.cosmosportal.org/topics/view/22040/" img_url="/files/50101_50200/50103/thumbs/file_50103_44x33_crop.jpg" hasChildren="yes"></item><item type="portal_topic" id="22039" name=" 2. Microwave" portal_id="1252" url="http://www.cosmosportal.org/topics/view/22039/" img_url="/files/50001_50100/50100/thumbs/file_50100_44x33_crop.jpg" hasChildren="no"></item><item type="portal_topic" id="22038" name=" 9. Cosmic-ray" portal_id="1252" url="http://www.cosmosportal.org/topics/view/22038/" img_url="/files/54301_54400/54389/thumbs/file_54389_44x33_crop.jpg" hasChildren="no"></item><item type="portal" id="21861" name="SOFIA" portal_id="1252" url="http://www.trunity.net/sofia/" img_url="/themes/newbase/i/default/topic_def.gif" hasChildren="no"></item><item type="portal_topic" id="18038" name=" 8. Gamma-ray" portal_id="1252" url="http://www.cosmosportal.org/topics/view/18038/" img_url="/files/41301_41400/41346/thumbs/file_41346_44x33_crop.jpg" hasChildren="yes"></item><item type="portal_topic" id="17835" name=" 5. Optical" portal_id="1252" url="http://www.cosmosportal.org/topics/view/17835/" img_url="/files/40801_40900/40804/thumbs/file_40804_44x33_crop.jpg" hasChildren="yes"></item><item type="portal_topic" id="17791" name=" 1. Radio" portal_id="1252" url="http://www.cosmosportal.org/topics/view/17791/" img_url="/files/40601_40700/40642/thumbs/file_40642_44x33_crop.jpg" hasChildren="yes"></item><item type="portal_topic" id="16011" name="Ancient Observatories" portal_id="1252" url="http://www.cosmosportal.org/topics/view/16011/" img_url="/files/37001_37100/37023/thumbs/file_37023_44x33_crop.jpg" hasChildren="no" selected="yes"></item><item type="portal_topic" id="15924" name=" 7. X-ray" portal_id="1252" url="http://www.cosmosportal.org/topics/view/15924/" img_url="/files/37001_37100/37066/thumbs/file_37066_44x33_crop.jpg" hasChildren="yes"></item><item type="portal_topic" id="15923" name=" 6. Ultraviolet" portal_id="1252" url="http://www.cosmosportal.org/topics/view/15923/" img_url="/files/37001_37100/37063/thumbs/file_37063_44x33_crop.jpg" hasChildren="yes"></item><item type="portal_topic" id="22117" name="11. Gravity" portal_id="1252" url="http://www.cosmosportal.org/topics/view/22117/" img_url="/files/54401_54500/54404/thumbs/file_54404_44x33_crop.jpg" hasChildren="yes"></item></item><item type="portal_topic" id="9659" name="Space Missions" portal_id="1252" url="http://www.cosmosportal.org/topics/view/9659/" img_url="/files/24101_24200/24103/thumbs/file_24103_44x33_crop.jpg" hasChildren="yes"></item></navigation>

Ancient Observatories -

Featured Article

Ancient Observatories

Introduction There is an astronomical context for understanding mysterious structures like Stonehenge. Keeping a calendar was a vital job for any ancient culture. We can imagine that an enormous...

Read More