Why Trappist-1 Is Our Favorite Alien Planetary System
When I was a wee graduate student back in the late 1980s, we didn't know if there were any planets orbiting other stars (i.e., "exoplanets"). Now, just three decades...
When I was a wee graduate student back in the late 1980s, we didn't know if there were any planets orbiting other stars (i.e., "exoplanets"). Now, just three decades...