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| The Hubble Space Telescope (HST) observed the unprecedented kilonova gradually fading over the course of six days, as shown in these observations taken in between 22 and 28 August (insets). Credit: NASA and ESA. Acknowledgment: N. Tanvir (U. Leicester), A. Levan (U. Warwick), and A. Fruchter and O. Fox (STScI). |
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