ぼうえんきょう
望遠鏡
1. telescope
2. TelescopeA telescope is an instrument that aids in the observation of remote objects by collecting electromagnetic radiation. The first known practical telescopes were invented in the Netherlands at the beginning of the 1600s (the 17th century), using glass lenses. They found use in terrestrial applications and astronomy. Within a few decades, the reflecting telescope was invented, which used mirrors.
Read “Telescope” on English Wikipedia
Read “望遠鏡” on Japanese Wikipedia
Read “Telescope” on DBpedia
Read “Telescope” on English Wikipedia
Read “望遠鏡” on Japanese Wikipedia
Read “Telescope” on DBpedia
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