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Même si SpaceX essaie de noircir les satellites Starlink pour réduire leur luminescence, ils peuvent toujours perturber l astronomie, selon une étude de l American Astronomical Society

Même si SpaceX essaie de noircir les satellites Starlink pour réduire leur luminescence, ils peuvent toujours perturber l astronomie, selon une étude de l American Astronomical Society
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Darkened SpaceX Satellites Can Still Disrupt Astronomy, New Research Suggests

Darkened SpaceX Satellites Can Still Disrupt Astronomy, New Research Suggests Share Launch of SpaceX Starlink satellites on November 24, 2020. (Image: SpaceX) To sign up for our daily newsletter covering the latest news, features and reviews, head HERE. For a running feed of all our stories, follow us on Twitter HERE. Or you can bookmark the Gizmodo Australia homepage to visit whenever you need a news fix. SpaceX’s attempt to reduce the reflectivity of Starlink satellites is working, but not to the degree required by astronomers. Starlink satellites with an anti-reflective coating are half as bright as the standard version, according to research published in The Astrophysical Journal. It’s an improvement, but still not good enough, according to the team, led by astronomer Takashi Horiuchi from the National Astronomical Observatory in Japan. These “DarkSats,” as they’re called, also continue to cause problems at other wavelengths of light.

Dimmed SpaceX Satellites - Still Undermine Astronomy?

The Astrophysical Journal. Darkened Starlink satellites could still disrupt astronomy, says study Starlink satellites with anti-reflective coating are already half the brightness of the standard models, according to the study. While this is an improvement, the darkened models don t lower the noise of light pollution, according to the team of scientists from the National Astronomical Observatory in Japan under the leadership of Takashi Horiuchi. Called DarkSats, the SpaceX-launched internet satellites also continue to be a problem at other light wavelengths, The initial pack of 60 Starlink satellites was launched in May 2019, but instantly met concerns from the astronomical community regarding the constellations propensity in low-Earth orbit (LEO) to disrupt astronomical study of the night sky.

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