After a little while , the young depart from their mothers .
After a little while , the young use the umbrella - like extensions to parachute down gently through the murk of the atmosphere to the planet floor and shed their umbrella extensions .
After a little while , the young depart from their mothers and use the umbrella - like extensions to parachute down gently through the murk of the atmosphere to the planet floor and shed their umbrella extensions .