File:Openstax Astronomy EM spectrum and atmosphere.jpg
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摘要
| 描述 |
English: This figure shows the bands of the electromagnetic spectrum and how well Earth’s atmosphere transmits them. Note that high-frequency waves from space do not make it to the surface and must therefore be observed from space. Some infrared and microwaves are absorbed by water and thus are best observed from high altitudes. Low-frequency radio waves are blocked by Earth’s ionosphere. (credit: OpenStax, Rice University, modification of work by STScI/JHU/NASA) |
| 日期 | |
| 來源 | 自己作品 |
| 作者 | OpenStax |
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| 日期／時間 | 縮圖 | 尺寸 | 用戶 | 註解 | |
|---|---|---|---|---|---|
| 現時 | 2020年1月19號 (日) 19:32 | | 976 × 861（410 KB） | OpenStax | User created page with UploadWizard |
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