But will it remain closed for 100 days? Or will you open it from time to time?
The door to @NASA_Johnson's massive Chamber A is shut; our ~100 day cryogenic test of #Webb commences! Read more: http://go.nasa.gov/2ufyztO pic.twitter.com/dKwSzCjIUD
-
-
-
Article says it takes a month just to get it down to the correct temperature, so I assume it will stay closed the entire time.
- Show replies
New conversation -
-
-
How do you chill a vacuum? It it more to do with removing the background heat of the telescope structure?
-
Heat is conducted through heat straps from Webb to radiators that are conductively & radiatively cooled/warmed via liquid nitrogen & He gas.
End of conversation
New conversation -
-
-
Excited at the prospect of virtual venturing the times of 'The Big Bang'!!
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.