地平線まで見通せる大きな湖の上空で、月の入りの観測が行
われました。その下には、月の像が重なって見えました。こ
れは、その形状からエトルリアの壺効果、またはオメガ効果
として知られています。この像が歪む原因は、屈折、反射、
重力の3つが考えられます。
「この現象は、低い視点から平らな地面越しに明るい地平線
を見渡せる場所でしか見られないという点から、観測者の位
置の重要性が強調されます。」
"synopsis" may belong to another edition of this title.
The author is interested in science and astronomy.
"About this title" may belong to another edition of this title.
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