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A battle of resolution

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VBGv8 TIL gas clouds in the universe are detected by not only their emission but also their absorption of starlight. The absorbed wavelengths depend on the elements and compounds in the cloud, as explained by quantum mechanics, allowing us to determine their composition through absorption lines.
NXeKP TIL of Robert Wardhaugh, a history professor and DnD Dungeon Master who has been running the same game of DnD for 40 years
6Ew5w TIL the reason Mark Hamill looks different in ‘Empire’ and ‘Return’ is because had a car accident after filming “A New Hope” and needed cartilage from his ear to rebuild his nose.
R5LY7 TIL that in Japan, there's an island called Okunoshima that's overrun with rabbits. During World War II, the island served as the headquarters of a poison gas factory where rabbits were used in tests.
NXyR6 TIL Abraham Lincoln was the only president who was also a licensed bartender.