Weak Lensing
jmbrill
Roman will study how the universe’s web of matter has evolved by measuring how gravity subtly bends the path of light across vast distances—a phenomenon called gravitational lensing. This effect occurs because anything that has mass warps space-time, the underlying fabric of the universe. Extremely massive things like clusters of galaxies warp space-time so much […] The post Weak Lensing appeared first on NASA Science .