Search Results
| 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 telescope
Search options questions only
not deleted
user 414
Telescopes are devices that collect data (usually electromagnetic spectrum, visible or otherwise) to better resolve distant objects.
8
votes
2
answers
443
views
Has any satellite proved the hypothesis that the Sun could be used as a gravitational lens?
Has any satellite proved the statement that the Sun's gravity could be used as a magnifying lens, focussing electromagnetic waves of distant galaxies or other celestial objects?
Or, is this idea, for …
- 18.1k
12
votes
1
answer
2k
views
Why was the Hubble Space Telescope purged with nitrogen gas?
Wikipedia states that
The telescope had to be kept
in a clean room, powered up
and purged with nitrogen, until
a launch could be rescheduled. …
- 18.1k
4
votes
1
answer
1k
views
Would placing an X-ray telescope on the surface of the Moon be a good idea?
Instead of placing an X-ray telescope in orbit or deep space, would building an X-ray telescope on the surface of the Moon an good idea, since it has no atmosphere? …
- 18.1k