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17+ How Many Milliseconds In A Light Year
17+ How Many Milliseconds In A Light Year. In one year, light travels about 9.46 x 10^15 meters. Divide by 63360 (# of inches per mile) and you arrive at the well known 25.4 mm/inch which makes that one self consistent anyway. First black widow pulsar found from gamma ray observations Ars Technica from arstechnica.com […]