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Which of the following makes it very difficult to make images (direct detection) of planets around other stars? (choose all correct answers) Planets typically have such small angular separation from their star that telescopes need excellent angular resolution to separate their image from the star image. ооо оо Planets are typically at least a billion times fainter than their host stars. Coronagraphs are hard to incorporate into telescopes. Planets are constantly orbiting their stars, so we don't know where to point our telescopes to see them. Planets orbit too far from their stars to be detected. Planets give off only infrared light, not visible light.

Which of the following makes it very difficult to make images (direct detection) of planets around other stars? (choose all correct answers) Planets typically have such small angular separation from their star that telescopes need excellent angular resolution to separate their image from the star image. ооо оо Planets are typically at least a billion times fainter than their host stars. Coronagraphs are hard to incorporate into telescopes. Planets are constantly orbiting their stars, so we don't know where to point our telescopes to see them. Planets orbit too far from their stars to be detected. Planets give off only infrared light, not visible light.

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Which of the following makes it very difficult to make images (direct detection) of planets around other stars? (choose all correct answers) Planets typically have such small angular separation from their star that telescopes need excellent angular resolution to separate their image from the star image. ооо оо Planets are typically at least a billion times fainter than their host stars. Coronagraphs are hard to incorporate into telescopes. Planets are constantly orbiting their stars, so we don't know where to point our telescopes to see them. Planets orbit too far from their stars to be detected. Planets give off only infrared light, not visible light.
Transcribed Image Text:Which of the following makes it very difficult to make images (direct detection) of planets around other stars? (choose all correct answers) Planets typically have such small angular separation from their star that telescopes need excellent angular resolution to separate their image from the star image. ооо оо Planets are typically at least a billion times fainter than their host stars. Coronagraphs are hard to incorporate into telescopes. Planets are constantly orbiting their stars, so we don't know where to point our telescopes to see them. Planets orbit too far from their stars to be detected. Planets give off only infrared light, not visible light.
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