Themis arrives at Esrange Space Center in Sweden, Europe’s first full-scale reusable rocket stage demonstrator by ArianeGroup for ESA’s reusability roadmap, after a 3,000-kilometer journey and hop-tests expected to begin in late 2025 under the EU SALTO project. 3I/ATLAS (C/2025 N1), the third known interstellar object to visit our solar system, is traveling at about…
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