On Mars, No One Can Hear You Scream
JUN 13, 2006
DOI: 10.1063/PT.5.020178
ScienceNow : Sound dies quickly in the cold, thin air of Mars. Researchers have modeled a sound wave traveling through the Martian atmosphere and report that it doesn’t go far--even a lawn mower’s roar dies after a hundred meters or so. The model presents an unusually detailed picture of how sound travels in an alien atmosphere and hints at what it would take to communicate on the Red Planet.
© 2006 American Institute of Physics
