Top network posts

• 23 Is there a Robert Heinlein story where man throws his shorts while in free fall in a space station to float over to a wall using the reaction?
• 22 Why does moderately distant lightning sound the way it does: relatively quiet high pitched thunder first, and then much louder low pitched thunder?
• 17 Can you throw a stone into longterm orbit from the surface of a spherical planet if it has lumpy enough gravity?
• 15 What does "rarely" mean in NASA's statement: "technically referred to as an exosphere because it’s so thin, its atoms rarely collide."?
• 14 Is there an intuitive reason for why the shape of the orbit at perigee is the mirror image of that at the apogee?
• 9 Why does a blast wave travel faster than sound?
• 8 A mod @-mentioned me but I didn't get a notification
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