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| Start / | Collection / | Thematic Collections / | Space / |
| Argentinia | Barbados | Barbuda | Brazil | Canada | Cuba | Dominica | Mexico | Nicaragua | Paraguay | United Nations New York | U S A |
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Collection / Thematic Collections / |
26.11.1985 Halley´s Comet |
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Sir Edmund Halley, volcano Masaya and Halley´s Comet |
Armillary sphere and comet orbit |
Tycho Brahe Observatory and Venus space probe |
Habermel astrolabe and comet orbit |
Herschel Telescope and Hale Teles-cope |
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