Did icy comets deliver water to the young Earth? That idea won't go away. Now, astronomers at Lund University in Sweden have found evidence of exocomets orbiting a young star named PDS 70. The observations suggest that these comets are delivering water to that system's inner regions.
Icy Exocomets Around a Distant Star Help Explain Earth's Water
By system
September 8, 2026 •
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Original source:
Universe Today
