Can we hear on Mercury, since the atmosphere is so thin?
114435
What is the minimum pressure of a medium for which a sound wave can exist?
116671
How much light is there in space and how heavy is it?
62191
Do particles in a sound wave ever move transversally?
58177
Why do lines in atomic spectra have thickness? (Bohr's Model)
111172
The limit of radio wave penetration
126355
Can we see emission lines in stars?
21089
Why didn't anyone else hear the Basilisk hiss?
141317
How would it be to look at the sky if the earth were near the edge of the universe?
2641
Short story that takes place off planet, involving sun and rain
130828
What is the maximum possible frequency and wavelength?
136361
Why is air invisible?
153402
Is it possible to hear the past?
74790
Is it possible to control the weather?
101183
What is the temperature of the clear night sky from the surface of Earth?
141902
Observing lunar lander and footprints on the moon?
63513
What is the minimum wavelength of electromagnetic radiation?
120824
Black body radiation and spectra lines