Jeff has been involved in aerospace journalism since the mid 1990s. Prior to joining Aviation Week, Jeff served as managing editor of Launchspace magazine and the International Space Industry Report. He has been the editor and chief of Aviation Week's Aerospace Daily & Defense Report since 2007 and has been a regular contributor to Aviation Week magazine. He received his B.A. from the College of William & Mary in Williamsburg, Va.
New observations from the Spitzer Space Telescope have revealed that planets are formed over a long period by massive collisions between rocky bodies the size of mountain ranges, NASA announced Oct. 18. According to previous theory, rocky planets form like snowballs out of planetary discs of dust, slowly accreting until they become mountain-sized bodies. These planetesimals collide further to create terrestrial planets like the Earth, slowly depleting the disc.
In the wake of a mishap investigation board's (MIB) preliminary finding that the Genesis spacecraft's parachute failed due to a design error dating to 1999, NASA is placing extra scrutiny on other upcoming space science missions to try to ensure their success.
NASA is soliciting opinions from industry on its draft requirements for the elaborate video camera system that will be required for the Hubble Space Telescope robotic servicing mission.