The Clean Air Act is the federal law that regulates air emissions from stationary and mobile sources and governs air pollution.
—
Swapna Venugopal Ramaswamy,
USA Today,
3 July 2026
Should the luminiferous ether exist, then scientists reasoned that as the Earth orbits the sun at around 66,000 miles per hour (106,216 kilometers per hour), our planet should be moving through the ether, which had been deemed to be stationary.
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