telescope

noun 0.742

solar

noun 0.689

radio telescope

noun 0.679

solar collector

noun 0.664

refracting telescope

noun 0.661

reflecting telescope

noun 0.654

solar cell

noun 0.639

solar still

noun 0.636

solar eclipse

noun 0.630

solar battery

noun 0.617

solar system

noun 0.609

solar calendar

noun 0.606

solarium

noun 0.604

solar corona

noun 0.602

solar time

noun 0.591

solar energy

noun 0.589

pyrheliometer

noun 0.587

solar radiation

noun 0.584

riflescope

noun 0.583

coronagraph

noun 0.582

solar day

noun 0.580

parabolic mirror

noun 0.567

spectroscope

noun 0.564

solar year

noun 0.562

solar mass

noun 0.558

space satellite

noun 0.554

sunroof

noun 0.552

helioseismology

noun 0.546

solar wind

noun 0.545

sundial

noun 0.545

observatory

noun 0.544

optical astronomy

noun 0.539

thermoscope

noun 0.538

telephoto

noun 0.537

heliosphere

noun 0.536

power satellite

noun 0.535

sol

noun 0.535

photovoltaic cell

noun 0.533

phototube

noun 0.530

solar energetic particle

noun 0.529

microscope

noun 0.528

telemeter

noun 0.525

optical microscope

noun 0.524

spectrograph

noun 0.521

simple microscope

noun 0.518

theodolite

noun 0.516

suntrap

noun 0.515

pyranometer

noun 0.515

sun

noun 0.514

astrolabe

noun 0.514

parabolic reflector

noun 0.512

scanning tunneling microscope

noun 0.511

photoelectric cell

noun 0.510

interferometer

noun 0.509

heliograph

noun 0.509

spectrophotometer

noun 0.508

solen

noun 0.508

photoelectrode

noun 0.506

radio astronomer

noun 0.506

sunspace

noun 0.504

telescreen

noun 0.504

stereoscope

noun 0.503

planetarium

noun 0.503

oscilloscope

noun 0.503

space technology

noun 0.503

spherical mirror

noun 0.502

radiometer

noun 0.502

gravitational lens

noun 0.501