scientists plan to place detection devices outside earth's atmosphere to detect radiations from a star. which of the following best explains the type of detection device that the scientists would use?
a radar, because high frequency microwaves are limited to the region outside earth's atmosphere
special cameras, because high frequency uv rays are emitted by objects at very high temperatures
special cameras, because high energy uv rays are emitted by objects having very high mass
a radar, because high energy microwaves are produced from very hot objects
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