gravitational lensing

noun 0.908

magnetic lens

noun 0.691

lensing

noun 0.687

lens

noun 0.633

gravitational wave

noun 0.632

gravitational radiation

noun 0.614

gravitational field

noun 0.605

convex lens

noun 0.603

gravitational redshift

noun 0.600

gravitational force

noun 0.596

long lens

noun 0.586

lenticular

noun 0.574

gravitational interaction

noun 0.572

lens flare

noun 0.571

achromatic lens

noun 0.568

gravitational collapse

noun 0.558

gravitational mass

noun 0.553

fisheye lens

noun 0.543

refracting telescope

noun 0.539

gravitation

noun 0.539

refractor

noun 0.536

general relativity

noun 0.535

coronagraph

noun 0.530

magnifying glass

noun 0.530

telescope

noun 0.529

optical glass

noun 0.527

macro lens

noun 0.525

close-up lens

noun 0.518

reflecting telescope

noun 0.518

immersion lens

noun 0.517

wide-angle lens

noun 0.512

zoom lens

noun 0.512

supergravity

noun 0.509

gravity

noun 0.508

magnifier

noun 0.506

diffraction grating

noun 0.505

lenticularis

noun 0.503

spherical mirror

noun 0.503

riflescope

noun 0.502

black hole

noun 0.501

solar telescope

noun 0.501