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星座

2 件の記事

The celestial equator is currently inclined by about 23.44° to the ecliptic plane. The image shows the relations between Earth's axial tilt (or obliquity), rotation axis, and orbital plane.

天球赤道とは?地球の傾きと星空の座標系を解説

天球赤道天球黄道地軸
Stars in the night sky

夜空の天文学星々が織りなす宇宙の仕組みと観測の基礎

夜空天文学星座光害