James K's user avatar
James K's user avatar
James K's user avatar
James K
  • Member for 9 years, 7 months
  • Last seen this week
3 votes

What exactly was "The curse of Sisyphus" and why did it take so long to find out about the radar detection of its companion?

45 votes
Accepted

Why is there a year 1 B.C., a year 0, and a year 1 A.D. in NASA’s Five Millennium Canon of Solar Eclipses?

6 votes

Measure the radius of the earth using the sun?

11 votes

Why are the solar prominences visible during a total solar eclipse - orange? Is the sun orange?

2 votes
Accepted

Range for Radius and Mass of Solar bodies

5 votes

Is the Moon really oscillating around its orbit as seen from Earth?

2 votes

Resource suggestions?

4 votes

Shadow Bands: How can atmospheric turbulence obscure the sun-crescent immediately before a total solar eclipse? and why are they 'bands'?

8 votes

What are the best options for watching total or partial solar eclipse during bad weather conditions?

6 votes
Accepted

Is there a specific constant name for the fifth root of 100?

2 votes

Does anybody know of a top down map of andromeda in the style of existing (artistic) milky way maps?

2 votes

Automated (and hopefully free) systems I can subscribe to sending email or SMS text message when the T Coronae Borealis Nova becomes visible?

4 votes
Accepted

How can I plot a rotary cam for the equation of time?

10 votes
Accepted

Can a Nova occur outside of a binary star system?

8 votes

Could a planet orbit a gravitational wave concentration

21 votes

What is this celestial phenomenon in the video?

2 votes

the difference between the heliocentric and the geocentric

26 votes
Accepted

Do Pulsar stars make actual sounds?

0 votes

Determining Vernal Equinox by observation

2 votes

Tracking variable stars?

46 votes

Can a lunar eclipse happen at night and be followed by a solar eclipse the next day?

6 votes

What objects (if any) are there above or below the ecliptic, or just vaccum/gases

18 votes

The darkness that is equivalent to the block of 99.5% of the sun

2 votes

What year will Gamma Cephei become the North Star?

4 votes

Why is the lunar disk completely black during solar eclipses?

12 votes

Multiply Earth's orbital speed with square root of 2

1 vote

How far away are the two components of the Rigel system?

23 votes
Accepted

Sun moves relative to the stellar background?

1 vote

how do I calculate the Roche limit for a body that is only partially fluid?

3 votes
Accepted

Smallest asteroid 2015 TC25

1
2 3 4 5
56