WIRE Lost as Hydrogen Supply Runs Out
CmdrJaycee@aol.com
Mon, 8 Mar 1999 18:16:15 EST
> Ground controllers are slowly gaining control of NASA's Wide-Field
> Infrared Explorer (WIRE), but the entire supply of frozen hydrogen
> needed to cool its primary scientific instrument has been released
> into space, ending the scientific mission of the spacecraft.
... [snip]
> WIRE is now rotating about 250 degrees per second. The objective is
> to reduce the spin rate sufficiently that the onboard system will
> take over and provide full attitude control
I'm not sure why they are continuing to try to bring the satellite under
control if they are declaring its mission lost. I would presume it simply to
gain experience for future reference. Anyone have any ideas on that?
Here's a URL to the complete release:
http://www.astronomynow.com/breaking/990308wire/index.html
Sorry about the previous note -- it got away from me (I didn't know you could
send an email off via AOL by accidently hitting the correct "Command -?" key
sequence).
Jim Cook
Germantown, MD
39.2N, 77.3W