Massive objects bend light, which results in a phenomenon called gravitational lensing. NASA/STScINASA’s Nancy Grace Roman Space Telescope launched on Aug. 30, 2026, beginning a journey that will take it about a million miles from the Earth. Once there, Roman will study some of the biggest mysteries in astronomy, from dark energy to the formation of galaxies. It will also search for planets around other stars, called exoplanets, but in a rather …