\r\n The vertical plane containing the zenith, the station of observation and the celestial pole is the observer's meridian plane <\/div>\r\n
\r\n The angle between the direction of star in vertical plane and the direction of the star in horizontal plane is called the altitude of the star <\/div>\r\n
\r\n The complement of the altitude of star is called the zenith distance of the star <\/div>\r\n
\r\n All the above <\/div>\r\n \r\n \r\n
Answer is Right!<\/div>\r\n
Answer is Wrong!<\/div>\r\n <\/div>\r\n\r\n