hypothetical planet

planet or similar body whose existence is not proven, but is speculated on by some

en-US/ˌhaɪpəˈθɛtɪkəl ˈplænət/
en-GB/ˌhaɪpəˈθɛtɪkl ˈplænɪt/

دسته بندی ها:

exoplanet