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Activity for Palarran‭

Type On... Excerpt Status Date
Question Keratin wings: would they work?
Bird wings are made mostly of feathers, and there's about a million articles out there on that subject. Bats, on the other hand, have wings made largely of skin and bone. These are flexible, giving bats incredible flight capabilities, but extremely fragile: a paper cut would rip a gash through them. ...
(more)
over 6 years ago
Question What is the deadliest acid a hypothetical biological creature could utilize as a weapon?
There are a lot of acids in the world, many of them present in biological creatures. Humans, for instance, have hydrochloric acid in their stomachs. What I'm wondering here is just how nasty it could be if one such creature could use such an acid as a weapon. I suppose this is a two-part question: ju...
(more)
about 7 years ago
Question Temperatures in an eccentric orbit?
We see plenty of seasonal variation on Earth, due to the large axial tilt, but the Earth follows an almost perfectly circular orbit, so we don't get much variation as a result of that. What if we had a planet with similar axial tilt, similar conditions, etc., but in an eccentric orbit? What will tha...
(more)
about 8 years ago
Question Two planets in a stable horseshoe orbit?
We've seen questions about multiple planets in a single orbit before, using Lagrangian points, through orbiting each other as they go around, etc. I'm looking at the creation of a hypothetical system with two habitable planets orbiting their star in a stable horseshoe orbit. To sum up a horseshoe or...
(more)
about 8 years ago