6 votes

Impact of Atmospheric Water vapour on Optical Observations

There is actualy very little water vapour absorption in the optical part of the spectrum (350 - 750 nm). If "optical" is extended (as it often is) to include that part of the spectrum where ...
ProfRob's user avatar
  • 146k
3 votes

Meteors arriving to a planet's atmosphere?

The assumption of an atmosphere with nearly no wind is difficult to find or create - but let's assume we find such body. Gravity works on solid particles, and assuming that they are denser than the ...
planetmaker's user avatar
  • 17.1k
3 votes

Meteors arriving to a planet's atmosphere?

Yes, the material (dust and gas) stays in the atmosphere, at least for a while. Larger particles of dust will tend to fall, but are strongly affected by turbulence in the lower atmosphere. Water and ...
James K's user avatar
  • 115k
2 votes

Solar eclipse impact on twilight

I have three individual observations (unfortunately just remote) of the event, in which the extension of the solar eclipse can be observed in the twilight belt. The observations I've managed to make ...
Geographos's user avatar
1 vote

Terrestrial Exoplanet Skies – I've Built a Visual Sky Chart. Is it Accurate?

In the Space Engine, I found a massive (6.6 Earth masses) oceanid, 2 Earths in diameter. It rotates around a white-yellow F8 star with a temperature of 5930 degrees Celsius. Atmospheric pressure is ...
Mikee's user avatar
  • 51

Only top scored, non community-wiki answers of a minimum length are eligible