astronomia
/ˌæstrə'nɒmɪk/ 43the study of the stars and their movements.
noun [专属名词]天文学
But 2009 is also the 400th anniversary of the publication by Johannes Kepler, a German mathematician and astronomer, of "Astronomia Nova."
单词造句:
But 2009 is also the 400th anniversary of the publication by Johannes Kepler, a German mathematician and astronomer, of "Astronomia Nova."