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uhoh
  • Member for 8 years, 6 months
  • Last seen this week
  • Taipei, Earth

280 Offered bounties for 33,800 reputation

7 votes
0 answers
206 views
+200

What's the largest angle that light has been "seen to bend" by gravity? (of one object by a separate object)

4 votes
1 answer
119 views
+100

Which University of Oklahoma research purported to "detect thousands of extragalactic planets back in 2018"? Which instrument was used?

4 votes
1 answer
165 views
+100

Mysterious factor of 30 in Coulomb cross section for electron–electron collisions

6 votes
1 answer
224 views
+100

First photographic image taken with telescopes to produce astronomically useful results? What telescope was used?

5 votes
2 answers
206 views
+100

What are the technological advancements that made it possible for modern large telescopes to work with alt-az mounts instead of equatorial mounts?

2 votes
2 answers
142 views
+100

Could UV-A imaging sensor reasonably see a total eclipse in progress through clouds?

6 votes
2 answers
196 views
+50

Which citizen science occultation experiences were done in the late 80's in the US? With what results?

4 votes
1 answer
159 views
+100

Fixing satellite eclipse equations from textbooks that are seemingly failing

5 votes
2 answers
229 views
+100

What can be learned by observing tumbling asteroid 319 Leona passing in front of Betelgeuse's fickle photocenter? What campaigns have been organized?

3 votes
0 answers
97 views
+100

Just how resonant is the "resonant sextuplet of sub-Neptunes transiting the bright star HD 110067"?

6 votes
6 answers
465 views
+100

Gravitational waves vs. "normal gravity"

2 votes
0 answers
149 views
+200

Are astronomers still using photomultiplier tubes for optical photometry?

5 votes
3 answers
265 views
+200

Are there really confined Globular Clusters?

5 votes
3 answers
265 views
+100

Are there really confined Globular Clusters?

2 votes
0 answers
104 views
+200

Has "crescent-twinkling" even been demonstrated or at least calculated/predicted? Any "twinkleometer" data for Venus out there?

1 vote
2 answers
321 views
+100

Can telescopes under $200 help you see saturn clearly by eye without editing the image on a computer?

2 votes
0 answers
129 views
+100

What produces all of these small radial striations in this very overexposed image of a star by Hubble's WFC2? (the four big ones are from the vanes)

2 votes
1 answer
73 views
+100

How do we get -0.4 mJy/beam in the the 1.28 GHz MeerKAT Galactic Center Mosaic?

5 votes
1 answer
194 views
+100

Can rings last around planets indefinitely?

4 votes
2 answers
239 views
+100

Acetylene at Uranus? What's JWST's evidence and current thinking of how it's possible?

5 votes
1 answer
228 views
+100

What do we know about properties of individual stars in the Andromeda Galaxy?

14 votes
2 answers
1k views
+100

What telescope is Polish astronomer Kazimierz Kordylewski holding in this April 1964 photo at the Jagiellonian University Observatory in Krakow?

3 votes
3 answers
171 views
+100

Reverse polynomial model for reverse astrometry

10 votes
2 answers
1k views
+100

Why (the heck) is the basic angle of GAIA 106.5°?

7 votes
1 answer
316 views
+200

Did the late 2019 "fainting" of Betelgeuse show any spectral trends that differ from it's normal variability?

4 votes
0 answers
55 views
+100

How is the roll of the Hubble telescope around its axis and the dispersive direction(s) of it's spectrometer(s) managed?

1 vote
2 answers
366 views
+100

How far can a gravitational-wave pass through space?

6 votes
2 answers
278 views
+200

Light or neutrinos graze or pass through the Sun and arrive at Earth - need an expression for Sun's gravitational effect on observation direction/time

3 votes
1 answer
77 views
+100

Seeking Guidance & Tips for Collaboration on a Cosmological Project Involving Potential Energy Variation Due to Cosmic Expansion

6 votes
1 answer
293 views
+200

Has GAIA learned anything about General Relativity looking near Jupiter? (Gerry Gilmore: "oblate rotating mass moving in a deeper (Solar) potential")

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