TildalWave's user avatar
TildalWave's user avatar
TildalWave's user avatar
TildalWave
  • Member for 10 years, 7 months
  • Last seen more than 8 years ago
  • Sancta Sedes
79 votes
Accepted

Why is only one side of the Moon visible from Earth?

45 votes
Accepted

How powerful a telescope would allow me to view the astronauts aboard ISS do a space-walk?

23 votes
Accepted

Is the light we see from stars extremely old?

19 votes

Why do the Pleiades look clearer when viewed indirectly?

19 votes
Accepted

Parking a telescope at a Lagrange point: is this a good idea from a debris point of view?

19 votes
Accepted

When we see half moon, why is it always the lower half?

17 votes
Accepted

Why does the Moon never set in Svalbard, Norway?

15 votes
Accepted

What is the distance that the Moon travels during one orbit around the Earth?

15 votes
Accepted

Jupiter FM - What are practical and inexpensive ways for the amateur detection of signals from Jupiter, especially of the transit of her moons?

14 votes
Accepted

What is the name of that which exists beyond the Universe?

13 votes
Accepted

Why don't stars move in the night-sky as the moon does?

12 votes
Accepted

Why does a planet rotate and revolve?

11 votes
Accepted

How can I collimate a dobsonian telescope with a laser collimator?

11 votes
Accepted

What happens to a star after it has become a red giant?

11 votes
Accepted

Can I see "my own hand" in the void space?

11 votes
Accepted

Why is the interstellar medium so hot?

10 votes
Accepted

How do people measure the distance between the Earth and The Moon?

10 votes
Accepted

Lunar Soil: what are those "bumps" and how were they formed?

10 votes

What caused the comet ISON to disintegrate?

10 votes
Accepted

Why can you see the space station on some days but not on others?

10 votes
Accepted

From which country or area is the new moon visible first?

9 votes

Can small gas planets exist?

9 votes
Accepted

What is the predominant element in the dust of the Sombrero Galaxy?

8 votes
Accepted

How can an amateur astronomer verify the position of near Earth objects?

8 votes
Accepted

Does the Moon Have Enough Water for Robert Zubrin's Mars settlement Plan To Work?

8 votes
Accepted

Are Barlow lenses stackable for bright objects?

8 votes
Accepted

Do planetary rings have geometric bounds?

8 votes
Accepted

Determine the moons of Jupiter through a telescope

7 votes

Periodic error correction in automatic telescopes

6 votes
Accepted

Planned telescope to detect alien waste-heat