ESO @eso.org · Jul 6 Older than the Sun! ☀️ Using our VLT, astronomers have studied in detail the composition of interstellar comet 3I/ATLAS ☄️ The findings shine new light on the formation history of this comet, indicating that it may be much older than the Sun. 🔭 🧪 📷 ESO/O. Hainaut 1/4 🧵👇
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By measuring specific chemical fingerprints, they found that 3I/ATLAS likely originated in the outskirts of an old star system. VLT time-lapse of 3I/ATLAS 👇 📹 ESO/O. Hainaut 🔭 🧪 2/4