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7 godz. temu · The instantaneous distance varies by about ± 2.5 million km or 1.55 million miles as Earth moves from ... (9,800 °F) and the density to only 0.2 g/m 3 (about 1/10,000 the density of air at sea level, and 1 ... Venus, and the Sun. Careful observations of the 1769 transit of Venus allowed astronomers to calculate the average ...
