What is the peristerum?

Why did Aeolus let the west wind out? Who is considered the father of exploration? What part of the sky is the big dipper in? What are facts about mecury? Do stalagmites hang up or down? Is Scott Glenn related to John Glenn? What impact has space research had on scientific thought on society and on the environment? Who has equal power to Zeus? Why and how does a hot air balloon fly? What is part of the atmosphere that has two sublayer the ionsphere and the exosphere? What kinds of motion cause solar eclipse? What begins as a nebula contracts? What is the gravitational acceleration of mars? What are the main sequece of stars? What planet do most known extrasolar planets resemble? Why was the stars on the first flag in a circle? Who promoted the heliocentric theory? Who is paying for space exploration? How hot does it gets in paradise ca? What is the temperature of Botein star?