equatorial bulge

outward bulge around a planet's equator due to its rotation

en-US/ˌikwəˈtɔɹiəl ˈbʌld͡ʒ/
en-GB/ɪkwəˈtɔːɹɪəl ˈbʌld͡ʒ/

دسته بندی ها:

astrometry