Tìm kiếm
Cassegrainian telescope
/kˌasɪɡɹˈeɪniən tˈɛlɪskˌəʊp/
/kˌæsɪɡɹˈeɪniən tˈɛlɪskˌoʊp/Cassegrainian telescope
01
a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror
Ví dụ
Từ Gần
