Sanakirja
Tekoälykääntäjä
Määritelmät
Substantiivit
- (astronomy) Particles of matter that cannot be detected by their radiation but whose presence is inferred from gravitational effects.
Esimerkit
- The evidence for dark matter in galaxies started to accumulate in the mid-1970s. By the following decade it became clear that essentially all galaxies, including our own Milky Way, are surrounded by extensive halos of dark matter.
- On large scales like that of clusters of galaxies, gravitational lensing indicates that the dark matter is smoothly distributed, on the average.