radio astronomy

noun 0.799

telescope

noun 0.725

radio astronomer

noun 0.712

radio telemetry

noun 0.700

reflecting telescope

noun 0.686

radiotelegraph

noun 0.684

solar telescope

noun 0.679

refracting telescope

noun 0.669

radiotelemetry

noun 0.644

radiotelegraphy

noun 0.639

radio wave

noun 0.634

radiotelephone

noun 0.629

radio beacon

noun 0.628

riflescope

noun 0.623

space satellite

noun 0.602

radioelement

noun 0.599

radio

noun 0.592

radio amateur

noun 0.588

transistor radio

noun 0.585

radar reflector

noun 0.582

radio telephony

noun 0.582

antenna

noun 0.581

transceiver

noun 0.573

radiometer

noun 0.573

horn antenna

noun 0.572

radio frequency

noun 0.571

telemeter

noun 0.570

interferometer

noun 0.569

radio modem

noun 0.568

earth station

noun 0.567

radio energy

noun 0.566

crystal radio

noun 0.566

dipole antenna

noun 0.564

telemetry

noun 0.564

radioreceptor

noun 0.562

radio alarm

noun 0.562

radar

noun 0.560

ham radio

noun 0.559

telephoto

noun 0.556

satellite television

noun 0.555

radiophone

noun 0.552

radio station

noun 0.552

observatory

noun 0.551

radio burst

noun 0.550

parabolic reflector

noun 0.548

radarscope

noun 0.547

death ray

noun 0.542

amateur radio

noun 0.541

infrared astronomy

noun 0.540

optical astronomy

noun 0.538

radiolocation

noun 0.538

loop antenna

noun 0.537

interferometry

noun 0.533

remote sensing

noun 0.532

television set

noun 0.530

teleradiology

noun 0.529

televisor

noun 0.529

spectrum analyzer

noun 0.528

electron microscope

noun 0.528

radiocommunication

noun 0.528

astronomer

noun 0.527

television station

noun 0.527

television

noun 0.527

radiosonde

noun 0.524

car radio

noun 0.523

radiotelephony

noun 0.523

radiotracking

noun 0.522

wireless telegraphy

noun 0.522

superheterodyne receiver

noun 0.521

electron tube

noun 0.520

fixed satellite

noun 0.520

transistor

noun 0.519

radioman

noun 0.519

radiotherapy

noun 0.516

phototransistor

noun 0.516

space technology

noun 0.515

power satellite

noun 0.515

cathode-ray tube

noun 0.514

synchrotron

noun 0.514

radio officer

noun 0.513

passive radar

noun 0.512

radiotherapist

noun 0.510

radiotracer

noun 0.509

reflectometry

noun 0.508

reflection nebula

noun 0.508

heliograph

noun 0.508

theodolite

noun 0.508

neutron star

noun 0.506

telescreen

noun 0.506

tape recorder

noun 0.505

metal detector

noun 0.503

radiometry

noun 0.503

planetarium

noun 0.502

spectrograph

noun 0.502

retroreflector

noun 0.501

clock radio

noun 0.501

refractor

noun 0.500

parabolic mirror

noun 0.500