Astronomers have studied two sources created in Cairo in the Middle Ages: the poem by Ibn Sana al-Mulk, dedicated to the famous Sultan Saladin and dated 1181-1182, as well as the chronicle of the ...
In the year 185 C.E, Chinese astronomers spotted a supernova and dubbed it the "guest star." The National Science Foundation’s (NSF) Víctor M. Blanco 4-meter Telescope at Cerro Tololo Inter-American ...
The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...
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