Radio telescope
device · 1937 · Electric age
An antenna for receiving cosmic radio emission (Reber).
What it is made of
- Dish antenna — has part. A parabolic antenna.
Principles and materials it uses
- Steel — is made of. The dish and supports are steel.
Where it is used
- Cosmic microwave background — is used in. Detected by a radio antenna.
What it is a kind of
- Telescope — is a kind of. A telescope for radio waves.