Astronomy Beta
Carl Witthoft
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110 Answers

Newest Activity Votes
9
Why are we building larger land-based telescopes instead of launching larger ones into space?
Jun 12 '18 at 15:18
9
How to know that the 21cm Hydrogen line is the actual emission and not any other redshifted line?
Aug 23 '17 at 12:51
6
Instead of using flexible mirrors, could software be used for adaptive optics?
Apr 3 '17 at 13:27
5
Do comets contain any significant amounts of iridium?
May 9 '17 at 12:41
5
Relatable comparison of VY Canis Majoris to the Sun?
Feb 7 '17 at 14:15
4
Does the magnetic field of earth restore?
Aug 28 at 15:27
4
Is Digital Adaptive Optics Possible?
Jul 3 at 15:29
4
When would we detect a tiny meter size natural satellit in a geostationary orbits?
Mar 12 at 18:30
4
Is there any difference among exoplanets in composition due to host star?
May 14 '18 at 14:57
4
If there was air between the Sun and Earth, how warm would we get?
Jan 27 '17 at 16:07
4
What mechanisms limit the top speed of high altitude winds on Venus?
Jan 11 '17 at 13:27
3
Venus' magnitude during inferior conjunction
Oct 29 at 17:36
3
Why are saturn rings so thin?
Mar 5 at 18:47
3
What is the farthest blueshifted object to our galaxy?
Mar 4 at 18:35
3
How to Distinguish between Temperature and Doppler effect using Black-body radiation?
Jan 15 at 20:19
3
How much of the Universe is subatomic?
Nov 19 '18 at 20:18
3
Source of mirror reflectivity data
Oct 18 '18 at 17:34
3
Is it possible to see an image with radio telescope of something not so far away in detail?
Sep 26 '18 at 17:01
3
Adaptive Optics Shack-Hartmann Sensor and Deformable Mirror
Sep 19 '18 at 18:18
3
Looking at ourselves with a powerful telescope?
Sep 7 '18 at 18:16
3
What is precipitable water vapor in millimeter-wave radioastronomy and how is it measured?
Oct 20 '16 at 13:11
2
How to listen to our world from 10,000 light years away?
Aug 2 at 16:51
2
Difference between first (focal length (fl.) 500 mm, ocular (o.) 10 mm) and second telescope (fl. 1000 mm, o. 20 mm)? (both 50 x)
Aug 1 at 18:18
2
What would be the obstacles to building a 6.5km space telescope besides cost?
May 2 at 14:32
2
Why don't we see purple stars
Nov 21 '18 at 15:04
2
Fitting PSF to an image to get total flux (Python)
Sep 20 '18 at 19:35
2
Can BY Draconis variable stars sustain any form of complex life?
Mar 6 '18 at 16:13
2
Why are the planets moving?
Feb 28 '18 at 16:17
2
Why most planets don't spin retrograde?
Dec 1 '17 at 15:57
2
How do we define temperature in outer space?
Nov 30 '17 at 13:51
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