Activity for Jay Lemmon‭

Type	On...	Excerpt	Status	Date
Question	—	Why can't our self-replicating message in a bottle stay in Sol? Suppose we knew of an extinction level event in a few decades, and through a large Manhattan Project-type effort humanity manages to construct a von Neumann probe with a copy of all human knowledge. Like with Voyager's record but more sophisticated. A self-replicating message in a bottle from a dyi... (more)	—	almost 5 years ago
Question	—	Almost tidally locked to moon and the tides it would create I have a world with a moon, much like Earth and the Moon, except that the planet is almost tidally locked to the moon. The moon therefore appears to move only very slowly through the sky, and takes, say, 7 years to do a full revolution. Across the equator of the planet runs a fresh water sea. My g... (more)	—	over 7 years ago