Rob's user avatar
Rob's user avatar
Rob's user avatar
Rob
  • Member for 6 years, 8 months
  • Last seen more than a week ago
18 votes

Why are we building larger land-based telescopes instead of launching larger ones into space?

16 votes
Accepted

What is the difference between the Yarkovsky effect and YORP effect?

10 votes

Why are there uneven bright areas in this photo of black hole?

9 votes

How loud would the Sun be?

8 votes
Accepted

Why do Uranus and Neptune have more methane than Jupiter and Saturn?

7 votes

Why is moon light not the same color as sunlight?

7 votes
Accepted

Why does the Event Horizon Telescope (EHT) not include telescopes from Africa, Asia or Australia?

7 votes
Accepted

What object in the universe is most opaque to neutrinos?

7 votes

How do we know that black holes are spinning?

6 votes
Accepted

What does the ']' in the spectral line "CIII] 1909 Å" mean?

6 votes

Does Sun have a reflection on Earth?

5 votes

What's the rationale behind the false colours in solar observation photographs?

5 votes

What is in the center of the universe?

5 votes
Accepted

Why are there optical differences between sunrise and sunset?

5 votes
Accepted

How spectrographs that measure radial velocities manage to translate variations in the stars' spectrum lines into the orbital speed of the star?

4 votes
Accepted

What is the intensity distribution of visible light over the solar disk?

4 votes

How much infrared radiation is emitted by a bow shock?

4 votes

Could a Jovian or Saturnian moon keep its atmosphere if the system was within the habitable zone?

4 votes

How did "oddball" Valetudo, Jupiter's new prograde moon, end up in a wider orbit?

4 votes
Accepted

Can a telescope image be amplified to see more by adding distant lenses or mirrors?

4 votes

Solid-body tides on the Moon

3 votes

What does a black hole elements consists of?

3 votes
Accepted

Expression for length of sunrise/sunset as function of latitude and day-of-year

3 votes

Dark Matter Curvature

3 votes
Accepted

Why does Jupiter atmosphere does not get thinner on edges

3 votes
Accepted

What is the actual black hole merger speed?

3 votes

If all stars rotate, why was there a theory developed that requires non-rotating stars?

3 votes

What percentage of Helium-3 is primordial vs produced in stars

3 votes

Dark energy and light red shifting

3 votes
Accepted

What soviet telescope is this?