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Astronomers are puzzled: Is WASP-43b a fast-spinning planet in a slowing dance?

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Authors:

Lia Bernabò, a PhD student at the DLR Institute of Planetary Research in Szílard Csizmadia’s research group, and her colleagues have analysed observations of the exoplanet WASP-43b, including those obtained by the James Webb Space Telescope, to investigate tidal interactions between the star and the planet. The results have now been accepted for publication in the scientific journal Astronomy & Astrophysics.

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Oben sieht man, wie das licht eines Sterns durch ein stilisiertes Prisma in seine Farben aufgebrochen wird. Daneben das ungestörte Sternenlichtspektrum in Diagrammform. Unten fällt das Sternenlicht erst durch die Atmosphäre eines Sterns, bevor es durch das Prisma aufgefächert wird. Einige Linien in dem Farbspektrum sind schwarz. Danabene das auf diese Art beeinflusste Sternenpektrum in Diagrammform, mit gut sichtbaren Absorptionslineien.

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