This reminds me of Douglas Adams' Krikkiters, whose home planet is completely surrounded by black dust. It blocks out everything in the sky and so they had no c

This reminds me of Douglas Adams' Krikkiters, whose home planet is completely surrounded by black dust. It blocks out everything in the sky and so they had no concept of anything at all existing beyond their world. http://aliens.wikia.com/wiki/Krikkiter http://aliens.wikia.com/wiki/Krikkiter