Word: planeters
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Dates: during 1930-1939
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...going on on the Mongolian-Manchukuoan border, the credibilities of the world's newspaper readers are taking a terrific beating. No news correspondent has reported the battles, which were so remote and whose results are so impossible to check that they might have taken place on another planet...
...voyager to Mars would have done better to wait until July 27, when the planet will be at its closest to the earth in 15 years (36,000,000 miles), a saving of 15,813,800 miles...
...reason for this fear lies simply and solely in an unbridled agitation on the part of the press . . . which in the end goes so far that interventions from another planet are believed possible and cause scenes of desperate alarm...
...Africa, had arrived on the American continent, there would have been no public alarm. . . . But Anopheles gambiae is potentially a much more dangerous invader than the Martians would have been. H. G. Wells's Martians, it will be remembered, were unable to adjust themselves to life on this planet and quickly died...
First good figure for light's speed was obtained in 1676 by a Danish astronomer, Ole Roemer, who measured the variations in eclipse times of Jupiter's satellites according to Earth's distance from that planet. His calculation was only about 3% too high. First terrestrial measurement was made in 1849 by Armand Hippolyte Louis Fizeau of France, who passed a beam of light through the teeth of a spinning cogwheel. The light struck a mirror, bounced back to the wheel. The wheel had been timed to move just enough in the brief interim for the teeth...