薄明光線（天使の梯子）
astronomyEmbed This Widget
Add the script tag and a data attribute to embed this widget.
<script src="https://cdn.jsdelivr.net/npm/timefyi-embed@1/dist/embed.min.js" defer></script>
<div data-timefyi="glossary" data-slug="crepuscular-rays"></div>Embed via iframe for maximum compatibility.
<iframe src="https://timefyi.com/iframe/glossary/crepuscular-rays/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://timefyi.com/glossary/crepuscular-rays/Add a dynamic SVG badge to your README or docs.
[](https://timefyi.com/glossary/crepuscular-rays/)Use the native HTML custom element.
<script src="https://cdn.jsdelivr.net/npm/timefyi-embed@1/dist/embed.min.js" defer></script>
<timefyi-glossary slug="crepuscular-rays"></timefyi-glossary>定義
太陽が地平線近くにある薄明時に、影で分けられた太陽光の束が見える現象。光線は太陽から広がって見えるが、実際は平行であり、これは遠近法の効果。