Ask an Explainer - Gravity & Air

Displaying records 221 to 230 of 304
Q: Do astronauts breathe in the same air we have on earth (nitrogen and oxygen) or pure oxygen while in space?
Categories:
Gravity & Air
Q: At what point do you become weightless in space? How high up do you have to go?
Categories:
Gravity & Air
Q: How does an object get into orbit?
Categories:
Gravity & Air
Q: Why do birds fly in a "V" pattern?
Categories:
Forces of Flight, Gravity & Air
Q: Does the Earth need gravity to orbit around the sun?
Categories:
Gravity & Air
Q: Why do planets move in an elliptical orbit?
Categories:
Gravity & Air
Q: Where does the sky stop?
Categories:
Gravity & Air
Q: If gravity is magnetic why does it pull us down and other things that aren't magnets?
Categories:
Gravity & Air
Q: How do clouds float?
Categories:
Gravity & Air
Q: Why do things burn up when they enter Earth's atmosphere?
Categories:
Gravity & Air