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James K's user avatar
James K's user avatar
James K's user avatar
James K
  • Member for 9 years, 9 months
  • Last seen this week
4 votes

How quickly would these changes happen if the moon were to suddenly disappear?

24 votes

Would a series of gravitational waves from a supernova affect time on a 200 year old clock just as water waves affected clocks on ships in rough seas?

6 votes
Accepted

Distance from Earth to Sun averaging method in AU definition

6 votes

Do all photons coming out of the Sun go out radially?

8 votes

What happens to planets as they cross the Galactic equator?

33 votes
Accepted

Is it theoretically possible for the Sun to go dark?

40 votes

Why does Mars have a jagged light curve?

1 vote

How to calculate moon's distance and parallax in it's altitude

0 votes

Parameters erroneously measured to be negative

7 votes

Why does the moon have a similar angular velocity around earth as the sun has around its centre?

4 votes

Computing error bar for vertex of parabola-fit lightcurve

2 votes
Accepted

What is a "re-simulation"?

6 votes

Does the coriolis force help shape the magnetic field of the sun?

4 votes

Are there any specific examples of overlapping impact and volcanic craters on astronomical bodies beyond Earth?

8 votes

What exactly is a 'gravastar'? How is it different from a 'regular' black hole?

17 votes
Accepted

Visibility of Planetary alignment of 6 planets on 3 June 2024 from Prague

10 votes

Why no Big Bang are happening now?

4 votes
Accepted

What is the difference between albedo and Bond albedo?

11 votes
Accepted

Are spectral subtypes a logarithmic scale, or a linear one?

11 votes
Accepted

What does an inclination of 0 degrees mean?

0 votes

How can planets ionize in the distant future in 10^100 years if proton decay doesn't happen?

3 votes
Accepted

What was the first nebulae of the first class?

16 votes

Evolution of black holes. Could they lose mass faster than the Hawking radiation?

7 votes
Accepted

Is there an L2 Lagrange point for Mercury that lies in the shadow?

1 vote

Vernal equinox for 2550 BC - why is it on Apr 12 and not May 12th?

3 votes

Most established length of Gleissberg Cycle

0 votes

How can $\Omega_m<1$ indicate an infinitely expanding universe?

14 votes

What can be learned from viewing the sun on earth during a total eclipse that cannot be studied by spacecraft in orbit?

48 votes
Accepted

How did the ancient cultures determine that the year was actually a fraction of an extra day beyond 365 days?

1 vote
Accepted

Can anyone point me to pictures of a region of the night sky during a total eclipse and with the sun not present?

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