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Sub-CategoriesSorted descending, can be sorted ascendingSection #Subjects by TitlesArchived Date
283.23Open book IconCategorical Errors27-08-2006
283.24Open book IconWill A Killer Asteroid Hit The Earth?03-02-2001
283.25Open book IconThe Big Bang30-05-2000
283.26Open book IconThe Real Star Wars: Between Order And Chaos02-08-2004
283.27Open book IconBig Ears Listen For Signals From Mars10-06-2000
283.28Open book IconMystery Of Bizarre Double Star Solved06-01-2004
283.29Open book IconOuter Regions - Hubble Telescope08-05-2003
283.30Open book IconCygloop Blair30-05-2000
283.31Open book IconControllers To Abandon Search For Mars Polar Lander17-01-2004
283.32Open book IconOne Shot To See The Universe Like Never Before20-12-2021
283.33Open book IconWe’ve Found 5,000 Exoplanets - But Not The One We’re Looking For22-03-2022
283.34Open book IconChina Claims Its Xuntian Telescope Can Unravel ‘Cosmic Mysteries’11-05-2022
283.35Open book IconJames Webb Space Telescope: The Cosmic Objects Captured18-07-2022
283.36Open book IconThe Webb Space Telescope Is A Time Machine25-07-2022
283.37Open book IconThe Limits Of Our Universe04-08-2022
283.38Open book IconNASA Launches Psyche Mission13-10-2023
283.39Open book IconOldest And Most Distant Black-hole13-11-2023
283.40Open book IconPlanet Nine Hypothesis27-04-2024
283.41Open book IconStupendously Large Black Holes07-10-2024
283.42Open book IconJames Webb Telescope - Universe Expanding Faster Than Thought11-12-2024
283.43Open book IconOur Sun May Have Had A Twin26-12-2024
283.44Open book IconNASA Closest Approach To Sun27-12-2024
283.45Open book IconVera C. Rubin Observatory - Largest Camera Built28-06-2025
283.46Open book IconJames Webb Telescope Discovers Another Planet29-06-2025
Show details for Assyro-BabylonianAssyro-Babylonian
Show details for Arthur SchopenhauerArthur Schopenhauer
Show details for Arthur C. ClarkeArthur C. Clarke
Show details for ArmeniaArmenia
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Show details for ArchaeologyArchaeology
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