According to Tyson, the surface brightness of a 7.9-magnitude, 1,200-km OneWeb satellite streaking across an image is actually the same as a 7th-magnitude Starlink satellite at 500 km. FEATURES The first launch of 60 Starlink satellites aboard a SpaceX Falcon 9 rocket alarmed many, from amateur and professional astronomers to dark-sky advocates and space debris experts (S&T: Mar. 2020, p. 14). [Extracted from the article]
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