Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options answers only not deleted user 29766

questions about how visible spacecraft are, as seen from Earth or anywhere else, as seen by eye or by imaging systems.

4 votes

What would the James Webb telescope see if it looked at itself from Earth?

The answer is going to be deeply underwhelming regardless of what telescope you use, because of the sunshield, and because of its location. It lives at the Earth-Sun L2 point, as shown on this handy d …
Starfish Prime's user avatar
21 votes
Accepted

Why is the sunny side of JWST's sunshield purple and covered with silicon?

From this presentation James Webb Space Telescope (JWST) Technology Discussion For APPEL Forum, dated August 7, 2008, I see this: Low $\alpha_S$/$\epsilon_H$ to minimize absorbed solar heat load Met …
Starfish Prime's user avatar