Additional online reading Welcome to BFSU: › Forums › Volume One › Learning Progression “D”: Earth and Space Science › Lesson D-7. Gravity II: Rate of Fall; Weightlessness in Space and Distinction Between Mass and Weight › Additional online reading Tagged: Enhancement This topic has 0 replies, 1 voice, and was last updated 10 years ago by Bernard Nebel. Viewing 0 reply threads Author Posts November 8, 2014 at 12:36 pm #418 Bernard NebelKeymaster Weightlessness and its effect on astronauts http://www.space.com/23017-weightlessness.html Author Posts Viewing 0 reply threads You must be logged in to reply to this topic.