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المصادر
• / magellan-and-the-first...
• www.amazon.com/How-Find-Earth...
• books.google.com.eg/books/abo...
• books.google.com.eg/books/abo...
• books.google.com.eg/books/abo...
• muslimheritage.com/the-book-o...
• www-istp.gsfc.nasa.gov/starga...
• / 691701.how_did_we_find...
Images Attributions:
• researchgate . net (Trundholm sun chariot)
• Wikimedia Commons (The Hindu Earth/ Anaximander/ Aristotle / Eratosthenes/ Al-Biruni/ Ptolemy/ Astrolabe/Vasco Da Gama/ Shehab Eldin Ahmad ibn Mājid/ Christopher Columbus/ Ferdinand Magellan/spacecraft/Astronaut on moon/ Carl Sagan)
• ESA/Hubble & NASA 2017 (Northern Star)
• Media.sciencephoto. com (Christopher Columbus with King Ferdinand and Queen Isabella)
• Nasa (earth from moon)
21 июн 2021