Observing the Universe
Conditions d’achèvement
Consulter le glossaire à l’aide de cet index
Spécial | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Tout
R
Radio telescopeA telescope that detects radio waves from space using large dish antennas. | |
Radio wavesElectromagnetic waves with the longest wavelengths. | |
Reflecting telescopeA telescope that uses mirrors to collect and focus light. | |
Refracting telescopeA telescope that uses lenses to bend and focus light. | |
ResolutionThe ability of a telescope to distinguish fine detail or separate two closely spaced objects. | |