天文薄明
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="astronomical-twilight"></div>Embed via iframe for maximum compatibility.
<iframe src="https://timefyi.com/iframe/glossary/astronomical-twilight/" 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/astronomical-twilight/Add a dynamic SVG badge to your README or docs.
[](https://timefyi.com/glossary/astronomical-twilight/)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="astronomical-twilight"></timefyi-glossary>定義
太陽が地平線の12〜18度下にある時間帯。天文薄明中は、最も暗い天体を除いてほとんどの天文観測が可能なほど空が暗くなる。