Siderite Octahedrite : 無料・フリー素材/写真
Siderite Octahedrite / [fluxa]
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | In the octahedrites the presence of the Widmanstaten lines indicate the very slow cooling of the nucleus of the asteroid. The conditions in which these crystalline structures can form implies a gradual cooling rate of a few degrees celsius per million year which can not be replicated on earth.(click next to continue) |
| 撮影日 | 2013-01-31 23:44:49 |
| 撮影者 | [fluxa] , Barcelona, Spain |
| タグ | |
| 撮影地 | |
| カメラ | Canon EOS 550D , Canon |
| 露出 | 0.01 sec (1/100) |
| 開放F値 | f/1.8 |
| 焦点距離 | 50 mm |