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Astronomie 4 Juli 2025

3I/ATLAS: The Fastest Interstellar Comet Ever—Here’s What Scientists Are Saying

3I/ATLAS: Der schnellste interstellare Komet aller Zeiten – das sagen Wissenschaftler

Das ATLAS-CHL-Teleskop in Chile entdeckte am 1. Juli 2025 das interstellare Objekt 3I/ATLAS (C/2025 N1) mit einer extrem hyperbolischen Bahn (e = 5,8) und einer Geschwindigkeit von 57 km/s. Erste Aufnahmen zeigen eine schwache Koma und einen 3″-Schweif. Der Perihelabstand beträgt 1,36 au, das Perihel wird am 29. Oktober 2025 erreicht. Archivdaten reichen bis 14. Juni 2025 zurück.
4 Juli 2025
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Stock Market Today

  • Planet Labs (PL) Share Price Rises Despite Losses, Valuation Debated
    March 20, 2026, 1:11 PM EDT. Planet Labs PBC (PL) stock surged to $26.96 with a sharp 8.67% gain in one day and a 32.09% increase year to date, fueled by growing investor momentum. The San Francisco-based satellite services firm reported $282.5 million revenue but a large net loss of $129.6 million. Despite its dominant Earth Observation platform, the company's current market price significantly exceeds a calculated fair value of $11.31, raising concerns of overvaluation. The bullish outlook depends on rapid revenue growth and margin improvements. Yet risks remain if commercial adoption slows or losses continue. Investors face a tension between enthusiasm for the sector's potential and caution over persistent losses amid rising valuations.
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