ウプサラ天文台の英語

an astronomical observatory

to make astronomical observations

observation of the stars

to observe the heavens―make astronomical observations

astronomy―uranology

observe the stars

the Muse of astronomy

an instrument used for astronomical observation, called heliometer

nautical astronomy

an astronomer

to east horoscopes

a telescope used to observe the celestial bodies

a sky watcher

elementary lessons in astronomy

an astronomical telescope

an amateur astronomer

an artificial satellite used for weather observation

a telescope that is used to follow the path of a comet

a person who is an astronomer

a telescope for astronomical observation called a Schmidt telescope

an ionosphere-observing satellite named {'Ume'}

a probe used to observe Mars

telescope using electronic tubes

a series of American scientific observer satellites called {Explorer}

a spacecraft used for observation, called the {HIMES}

a satellite with a large optical astronomical telescope

in astronomy, parallactic motion of a star

an astronomical phenomena called an inferior conjunction

The space telescope caught the 500 million-year-old galaxy.

in astronomy, the degree of brightness of a star