One of the mysteries of the English language finally explained.
An instrument used to detect radio emissions from the sky, whether from natural celestial objects or from artificial satellites.
- ‘Sparked by a library book on amateur radio astronomy, he built a radio telescope out of old television parts and army surplus in the backyard of his family's summer home.’
- ‘A radio telescope has detected hundreds of hydrogen clouds in the gaseous halo that surrounds the disk of our galaxy.’
- ‘When she observed the galaxy later using the radio telescope, she found that it is embedded in a huge disk of atomic hydrogen gas.’
- ‘The molecule, discovered accidentally while observing stars with a radio telescope, naturally occurs in intense reactions that take place in heavenly bodies like our sun.’
- ‘Jupiter is not hot enough to emit visible light, but it does radiate a huge flux of microwaves, making it quite bright to a radio telescope.’
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