lightspeed

noun 0.650

speed of light

noun 0.648

wavelength

noun 0.644

length

noun 0.635

light

noun 0.620

sidereal year

noun 0.619

solar year

noun 0.594

longitude

noun 0.583

luminosity distance

noun 0.583

lunar year

noun 0.574

kilometer

noun 0.571

nautical mile

noun 0.565

distance

noun 0.555

light ball

noun 0.552

luminosity

noun 0.552

long i

noun 0.551

long

noun 0.547

visible light

noun 0.544

kilometre

noun 0.544

electric light

noun 0.543

photon

noun 0.543

long a

noun 0.543

longueur

noun 0.541

laser

noun 0.541

luminance

noun 0.540

yellow light

noun 0.538

year

noun 0.537

lighthouse

noun 0.536

starlight

noun 0.535

mile

noun 0.535

lightning

noun 0.534

lightpath

noun 0.532

lum

noun 0.530

white light

noun 0.530

grow light

noun 0.529

light-emitting diode

noun 0.526

light line

noun 0.525

latitude

noun 0.524

country mile

noun 0.522

unit of measurement

noun 0.522

light bulb

noun 0.521

leap year

noun 0.521

daylength

noun 0.520

lamp

noun 0.519

ley

noun 0.519

literal

noun 0.519

galaxy

noun 0.517

long jump

noun 0.517

sunlight

noun 0.517

metre

noun 0.516

long s

noun 0.516

lumen

noun 0.515

light source

noun 0.513

lambda

noun 0.510

lightness

noun 0.510

long u

noun 0.509

lunar

noun 0.509

light spectrum

noun 0.507

litre

noun 0.507

lifetime

noun 0.507

lightsaber

noun 0.507

long long

noun 0.506

red light

noun 0.505

lunar month

noun 0.505

radio wave

noun 0.505

light industry

noun 0.504

line of sight

noun 0.504

luminous intensity

noun 0.503

light curve

noun 0.503

yacht

noun 0.503

noun

noun 0.503

yttrium

noun 0.502

ometer

noun 0.502

sound wave

noun 0.502

lymph

noun 0.502

laser beam

noun 0.501

furlong

noun 0.501

longe

noun 0.500