File:Rotating earth for twilight.png
來自Wikimedia Commons
跳去導覽
跳去搵嘢
預覽大細:601 × 599 像素。 第啲解像度:241 × 240 像素 | 481 × 480 像素 | 742 × 740 像素。
原本檔案 (742 × 740 像素,檔案大細:26 KB ,MIME類型:image/png)
File information
Structured data
Captions
摘要
[編輯]This image could be recreated using vector graphics as an SVG file. This has several advantages; see Commons:Media for cleanup for more information. If an SVG form of this image is already available, please upload it. After uploading an SVG, replace this template with {{vector version available|new image name.svg}}.
|
描述Rotating earth for twilight.png |
English: This is an image for the purpose of illustrating the phenomenon of twilight. The circle is the Earth, seen from above North Pole. N is the North Pole. P is a grounded observer. The blue line indicates the observer's sightline if he looks towards the horizon at his east and the one at his west, and is a tangent to Earth at point P. The red arrow indicates the direction of sunlight. The solar elevation angle is 12 degree at the moment captured in this diagram.
It was created using Processing. |
日期 | |
來源 | 自己作品 |
作者 | User:Dr. Greywolf |
協議
[編輯]根據自由軟體基金會發佈嘅無固定段落、封面文字同封底文字GNU自由文件授權條款第1.2或打後嘅版本,你獲授權可以重製、散佈同埋修改爾份文件。授權條款嘅副本喺章節GNU自由文件授權條款。http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
呢個檔案用共享創意 姓名標示-非商業性-相同方式分享3.0 未本地化版本條款授權。 | ||
| ||
This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue |
檔案歷史
撳個日期/時間去睇響嗰個時間出現過嘅檔案。
日期/時間 | 縮圖 | 尺寸 | 用戶 | 註解 | |
---|---|---|---|---|---|
現時 | 2020年8月25號 (二) 04:45 | 742 × 740(26 KB) | Dr. Greywolf(傾偈 | 貢獻) | {{Information |description ={{en|1=This is an image for the purpose of illustrating twilight. N is the North Pole. P is the grounded observer. The blue line indicates what the observer can see if he looks towards the horizon at his east and the one at his west, and is a tangent to Earth at point P. The red arrow indicates the direction of sunlight. It was created using Processing.}} |date =2020-8-25 |source ={{own}} |author =User:Dr. Greywolf }} [[Category:Maps and... |
你無得衾咗個檔案。
檔案用途
無頁面用到呢個檔案。
全域檔案使用情況
Metadata
呢個檔案有額外嘅資料。佢應該係數碼相機或者掃描器整出來嘅。如果佢整咗之後畀人改過,裏面嘅資料未必同改過之後相符。
橫解像度 | 37.79 dpc |
---|---|
直解像度 | 37.79 dpc |