MOST ROCKETS
AND SPACE CRAFTS
ARE USED ONLY
ONCE.
YEAH, SPACE JUNK IS A SERIOUS PROBLEM
FOR ASTRONAUTS WORKING IN SPACE.
JUNK? IN SPACE?
LIKE JUNK ON EARTH?
SAME PROBLEM
EVERYWHERE!
JEEZ!
PARTS OF OLD ROCKETS AND BROKEN SATELLITES KEEP
FLOATING AROUND THE EARTH'S ORBIT. IF THEY COLLIDE,
THEY MAY EXPLODE DUE TO THE FUEL INSIDE THEM
SENDING PIECES OF METAL FLYING IN ALL DIRECTIONS.
WHAT IS
BEING DONE
TO AVOID
THAT?
OKAY! HOW
IS IT DIFFERENT
FROM A ROCKET?
SO, A ROCKET- POWERED SPACE CRAFT
CALLED A SPACE SHUTTLE IS BUILT, WHICH
CAN BE USED OVER AND OVER AGAIN.
IT BLASTS OFF FROM A LAUNCH
PAD LIKE A ROCKET, BUT LANDS ON
A RUNWAY LIKE AN AEROPLANE.
May 2018
39