gravitational lens
n.
A massive object, such as a star or galaxy, whose gravitational field bends light rays.
gravitational lensAbell 2218, a cluster of galaxies in the constellation Draco
- repentance
- repentant
- repentantly
- repenter
- repercussion
- repercussive
- reperfusion
- repertoire
- repertorial
- repertory
- repertory company
- repetend
- repetition
- repetitional
- repetitious
- repetitiously
- repetitiousness
- repetitive
- repetitively
- repetitiveness
- repetitive strain injury
- rephrase
- repine
- repiner
- replace