망원경 instrument 지구 우주 천문학 science telescope earth space solarsystem nasa 과학 orbit 나사 universe astronomy

Hubble Space Telescope (HST)

Nasa's HUbble Space Telescope (HST) orbits earth since 90's. It is one of the most important astronomy intstruments and improved astronomy by taking photos in infraded,visible and ultraviolet (UV) light