The Origins of Exoplanet Study
Up until the mid-1990s, our only knowledge of planets came from our own Solar System. Every theory about how planets formed was based on just eight planets orbiting a single star. This limited perspective was a bit like trying to understand all of humanity by studying a small group of people living in one house. The sheer size of the universe—with an estimated 100 billion stars in our galaxy alone—highlighted how little we truly knew.
The Epic Quest for a Second Earth
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October 5, 2025