Astronomy
epub |eng | | Author:Elaine Scott

Atmosphere affects sound, too. Like light, sound travels in waves, and when those sound waves reach our ears, we hear something, because the sound waves have vibrated the molecules in ...
( Category: Aeronautics & Space July 4,2016 )
mobi |eng | 1994-09-15 | Author:Isaac Asimov & Francis Reddy

She put a light finger to his chin and tapped it a bit. “Goo-goo-goo-goo.” He always smiled when you did that. But he only blinked at her. She said, “I ...
( Category: Astronomy October 14,2014 )
mobi, epub |eng | 2011-05-11 | Author:Rev. W. Awdry

“I’m not afraid of anything,” wheeshed Thomas. And he chuffed away. “I’ll show him,” said Thomas. “Scaredy-cat. Scaredy-cat,” sang the trucks. Thomas didn’t know it, but the mines were a ...
( Category: Astronomy March 25,2014 )