Activity for Starfish Prime‭

Type	On...	Excerpt	Status	Date
Answer	—	A: What organs or modifications are need for a biological creature to develop lethal force as a poop machine gun? TL;DR: the mechanical issues of a biological gun would be very, very difficult to overcome. If they were overcome, the energetic costs of firing sufficiently large projectiles at sufficient speeds would be punishing. This doesn't seem to be impossible, especially for a deliberately engineered specie... (more)	—	over 4 years ago
Answer	—	A: Incoming Rogue Planet! When do we see it? Lets consider how hard it would be to spot this object with visible light astronomy. This isn't quite the right way to go about things, but it is a start. Most things are easier to see in IR than than visible light, so my final detection distance may be out be an order of magnitude (or a bit more). N... (more)	—	almost 5 years ago