5
Astronomers often scan the sky using devices called radio
telescopes. What can you conclude...
Biology, 12.02.2021 18:20 emmanuel180
5
Astronomers often scan the sky using devices called radio
telescopes. What can you conclude about these devices?
A
Titey send radio broadcasts out to distant stars and
planets.
B. They pick up the radio waves emitted by stars.
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They are less powerful than optical telescopes.
D
They can detect ultraviolet radiation.
Yo
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