Are Sedna and Quauoar part of our solar system?
ANON, AGE 10 Answer: Yes, Sedna and Quaoar are thought to be part of our Solar System. They are generally thought too small to be called planets so we think of them more as asteroids or minor planets. How do astronauts breathe in rockets without wearing spacesuits? HABEN, AGE 12 Answer: Astronauts can breathe in rockets without spacesuits because air (oxygen) is pumped into the rocket. The supply is limited so they have to make sure there are no delays in the flight. If you were travelling at the speed of light in the dark and you put your headlights on, would you see anything? GRAHAM ALLINSON, AGE 46 Answer: If you were travelling at the speed of light, then the first thing you will notice is flashing blue lights in your rear view mirror! Ok, the first thing to note is that you wouldnt see any particularly unusual affects inside the car as everything would be travelling at the same speed. The light coming out of the car headlights would still be travelling at the speed of light relati
