![By Jim Campbell/Aero-News Network](https://hoofandtrunkpost.com/wp-content/uploads/2016/09/Physicist_Stephen_Hawking_in_Zero_Gravity_NASA.jpg)
By Jim Campbell/Aero-News Network – http://www.flickr.com/photos/39735679@N00/475109138/ / http://mediaarchive.ksc.nasa.gov/detail.cfm?mediaid=31873, Public Domain, https://commons.wikimedia.org/w/index.php?curid=3655144
By Jim Campbell/Aero-News Network – http://www.flickr.com/photos/39735679@N00/475109138/ / http://mediaarchive.ksc.nasa.gov/detail.cfm?mediaid=31873, Public Domain, https://commons.wikimedia.org/w/index.php?curid=3655144