Astronomers say they can use "galactoseismology" – the study of ripples in a galaxy’s disk – to map the interior structure of galaxies and learn about dark matter.
from EarthSky » Space http://ift.tt/1UOZ245
via IFTTT
Astronomers say they can use "galactoseismology" – the study of ripples in a galaxy’s disk – to map the interior structure of galaxies and learn about dark matter.
from EarthSky » Space http://ift.tt/1UOZ245
via IFTTT
Telescopically 