Polar axis
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One of the rotation axes of an equatorial mount of an astronomical telescope. By aligning it with the direction of the Earth's axis at the observation point, it is possible to track celestial bodies that move in a diurnal cycle by rotating in one direction. Source: About Shogakukan Digital Daijisen Information | Legend |
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天体望遠鏡の赤道儀の回転軸の一。観測地点における地軸の方向に合わせることで、日周運動をする天体を一方向の回転によって追尾することができる。
出典 小学館デジタル大辞泉について 情報 | 凡例 |
>>: Extreme ultraviolet region
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