National Aeronautics and Space Administration University of Maryland Ball Aerospace & Technologies Corp. Jet Propulsion Laboratory California Institute of Technology Credits & Awards Contact Us Privacy Statement
spacer image
spacer
UMD ASTRONOMY spacer STUDENT INFO spacer UMD OBSERVATORY spacer PDS-SBN spacer BIMA
spacer
Deep Impact
Deep Impact
Home Search Sitemap Frequently Asked Questions Contact Us spacer
Deep Impact Mission Science Technology Mission Results Gallery Education Discovery Zone Your Community Press Discovery Zone - Brain Twisters

Question: The flyby spacecraft has a solar panel to take in the Sun's energy and turn it into power for the spacecraft. The early concept for the solar panel was that it be one piece. During the design phase, the engineers decided they needed a larger panel to provide enough energy for the entire spacecraft. Now the spacecraft has two panels that are hinged. Why was the hinge necessary?

Spacecraft Image 1 Spacecraft Image 2

Answer: The initial design for the Deep Impact solar panels called for a single 5 square meter array. During development of the mission, power requirements grew for the various subsystems and the panel size was increased to 7.5 square meters. Fitting this amount of panel array into the Delta launch vehicle fairing required dividing the array into two panels with a hinge and folding each panel back against the spacecraft about 30 degrees. These kinds of analyses and resulting engineering solutions are part of the design process. It takes a lot of thought and team work to put a spacecraft into space.

Click here for more Brain Twisters.



redbar-bottom
spacer
spacer spacer spacer spacer spacer spacer
spacer FirstGov - Your First Click to the U.S. Government   spacer
Web Curator: Maura Rountree-Brown
Webmaster: Elizabeth Warner
Last Updated: Wednesday June 14, 2017
Clearance No. CL 01-0944
spacer spacer spacer spacer spacer spacer