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Astronomy lecture to explore whether Earth is truly unique

Original: For thousands of years, we’ve wondered if Earth is unique. Today, we know planets are common, but we still haven't found

The SETI Institute is hosting a Silicon Valley Astronomy Lecture on October 7 with astrophysicist Dr. Jessie Christiansen, examining why Earth appears to be so rare. While thousands of exoplanets have now been discovered and planets are known to be common throughout the galaxy, no world quite like our own has been found. The lecture will trace humanity's long history of wondering whether Earth is alone, from ancient speculation to modern planet-hunting surveys.

Why now: The public talk is being promoted ahead of its October 7 date, drawing interest in the ongoing search for Earth-like worlds.

SETI InstituteJessie ChristiansenSilicon Valley Astronomy Lecture

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• For thousands of years, we’ve wondered if Earth is unique. Today, we know planets are common, but we still haven't found another planet quite like our own. On Oct. 7, join Dr. Jessie Christiansen for the next Silicon Valley Astronomy Lecture as she explores the past, present,… · setiinstitute · 6

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