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Today Phil explains that YES, there are other planets out there and astronomers have a lot of methods for detecting them. Exoplanets appear to orbit nearly every kind of star, and we've even found planets that are the same size as Earth. We think there may be many billions of Earth-like planets in our galaxy. [11.49]
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- Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)
- The intended use for this resource is Instructional
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