A spiral galaxy is a certain kind of galaxy originally described by Edwin Hubble. Spiral galaxies consist of a flat, rotating disk containing stars, gas and dust, and a central concentration of stars known as the bulge. These are surrounded by a much fainter halo of stars.
Intricate spiral harms contain areas of new star formation in this dusty galaxy.
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| 熱門國家 | 系統支援 | 版本 | 費用 | APP評分 | 上架日期 | 更新日期 |
|---|---|---|---|---|---|---|
| 未知 | Android Google Play | 1.0 App下載 | 免費 | 1970-01-01 | 2015-04-20 |
