Assertion: radio telescope | /r/HasProperty | large
Facets:
value: very
type: DEGREE
value: in order to receive signals
type: PURPOSE
value: to get decent resolving power
type: PURPOSE
value: usually
type: DEGREE
value: in order to overcome "snow,"
type: PURPOSE
value: in order to overcome the radio noise
type: PURPOSE
value: in order to accommodate lower energies
type: PURPOSE
value: in order to accommodate radio's longer wavelengths
type: PURPOSE
value: in order to capture sharp radio images
type: PURPOSE
value: to compensate for this problem
type: PURPOSE
value: up to hundreds of metres
type: OTHER
Source sentences:
text: Radio wavelengths are LARGE so the radio telescope must be LARGE to get decent resolving power (and also to increase the signal strength of the low-energy radio waves---light-gathering power!).
text: A radio telescope is basically composed of an antenna (the large dish you usually see), a detector, and amplifier.
text: In "Contact," Foster hears the first guttural, throbbing message transmitted by other-worldly life using the world's most powerful radio telescope, the Very Large Array in Socorro, New Mexico, a collection of 27 antennas spread in a three-armed configuration across the desert.
text: Radio wavelengths are LARGE so the radio telescope must be LARGE to get decent resolving power.
text: Because cosmic radio sources are extremely weak, radio telescopes are usually very large—up to hundreds of metres across—and use the most sensitive radio receivers available.
text: Because radio wavelengths are much longer than those of visible light, radio telescopes must be very large in order to attain the resolution of optical telescopes.
text: Because some astronomical radio sources are extremely weak, radio telescopes are usually very large and only the most sensitive radio receivers are used.
text: Radio telescopes may need to be extremely large in order to receive signals with low signal-to-noise ratio.
text: Radio telescopes are either very large or comprised of an array of linked telescopes to compensate for this problem.
text: The most notable feature of them is that they are very large.
text: Radio telescopes are so large that paraboloids with high $f/D$ ratios are impractical; typically $f/D \approx
text: Because radio wavelengths are much longer than those of visible light, radio telescopes must be very large in order to attain the resolution of optical telescopes.
text: Radio telescopes are large in order to capture sharp radio images from radio wavelengths extending from one millimeter to as long as one kilometer.
text: Radio telescopes may need to be extremely large in order to receive signals with high signal-to-noise ratio.
text: Why do radio telescopes have to be so large?
text: Most radio telescopes need to be large in order to accommodate radio's longer wavelengths and lower energies.
text: Radio telescopes also need to be large in order to overcome the radio noise, or "snow," that naturally occurs in radio receivers.