Most people realize they would weigh less if they were on the moon, but does it change how much weight you could lift if you were on the moon? Scholars adjust the mass of an object to be lifted and select between four different...

[Free Registration/Login Required] Uncover the relationship between weight and mass, on Earth and beyond.

This is the interactive ebook "How I Became an Astronaut: The Story of Stephanie D. Wilson." It provides a short biography of her childhood interests, her education, and training to become an astronaut.