3 ms·
We know this is not the case because intersteller dust absorbs light, while the dark matter does not emit or absorb light at all. The only effect we see is the
by lwat 14y ago
We know this is not the case because intersteller dust absorbs light, while the dark matter does not emit or absorb light at all. The only effect we see is the gravity.
- lloeki 14y agoNot only just light (photons) but no other radiation as well (electromagnetic, like X or gamma rays), except gravity.
- ordinary 14y agoGamma rays and X-rays are photons.[0] _____ [0] http://en.wikipedia.org/wiki/File:EM_Spectrum_Properties_edit.svg http://en.wikipedia.org/wiki/File:EM_Spectrum_Properties_edi...