Astronomy
Martin Kochanski's user avatar
Martin Kochanski's user avatar
Martin Kochanski's user avatar
Martin Kochanski
  • Member for 7 years, 4 months
  • Last seen more than a month ago
Profile Activity

17 Answers

Score Activity Newest
24 votes
Accepted

Does the Inverse Square Law mean that the apparent diameter of an object of same mass has the same gravitational effect?

21 votes

Non-anthropic, universal units of time for active SETI

12 votes

How did Arecibo detect methane lakes on Titan, and image Saturn's rings?

10 votes

Why, since Earth is in free fall towards Sun, are tides affected by Sun's gravity? Why aren't the oceans "weightless" like astronauts?

6 votes
Accepted

Should the synodic period or the orbital period be used to determine the diameter of the Moon?

5 votes
Accepted

Nicolas Copernicus discovery

3 votes

Question about tidal forces and the Roche limit

3 votes

Is it plausible for a planet that is positioned in the habitable area of a solar system to have little extractable metals?

3 votes

Can I learn astrophysics and astronomy with my basic math?

3 votes

How to show that a complete revolution of Earth around the sun takes 365 1/4 days?

3 votes

Why is today the shortest day but the solstice is actually tomorrow?

2 votes

When will the last total lunar eclipse happen?

2 votes

Distinction between signal from terrestrial and signals from celestial sources

1 vote

Tidal influences of planets on the sun

1 vote

What is the temperature about 10 or 15 feet below Mars' surface?

1 vote

How do you go from transit times to Earth-Sun distance?

0 votes

How do we know the moon is smaller than Earth?

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