Astronomical telescope and Radio reflector

Astronomical telescope noun - Any telescope designed to collect and record electromagnetic radiation from cosmic sources.

Radio reflector and astronomical telescope are semantically related. In some cases you can replace phrase "Radio reflector" with "Astronomical telescope", this phrases are similar.

Radio reflector noun - Astronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extraterrestrial sources.

Astronomical telescope and radio reflector are semantically related. You can use "Astronomical telescope" instead a noun phrase "Radio reflector".