一个免费的开放源代码天文类软件,通过它你不仅可以鸟瞰地球,还可以畅游太阳系,以及其它多达10万颗星,甚至是银河系以外的星座.你可以远观星云,也可以近看飞行器.所有的查看和缩放都非常平滑.Celestia包含了巨大的天文数据库,包括恒星,行星,卫星,彗星以及太空船;如果原带的这些库还不能满足你,你可以方便的下载和安装扩展信息库.Celestia虽然是英文软件,但操作并不复杂,甚至可以通过快捷键控制.[F8>开始运行,按1～9是快捷键,代表九大行星,再按“G”可以飞到你想要的行星了.空格键是暂停和恢复.“K”和“L”是时间加速和减速.“O”是显示轨道.上下左右控制方向.
访问: Celestia项目
下载: Celestia 1.5.1
下载: Add-ons
Gallery
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| A view of Earth from far out in space. | A closeup of the space shuttle Discovery in orbit over Florida; thisshot demonstrates Celestia's virtual texture feature for extremely highresolution mapping of planets. |
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| Looking down at Mars's tiny moon Phobos and the giant Valles Marineris rift valley. | The 1989 flyby of Neptune by Voyager 2--last stop before leaving the solar system. |
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| Saturn and its rings. Dark shadows cast by the rings are visible in the top hemisphere of Saturn. | Jupiter and its large moon Europa. The surface of Europa is mostly water ice and full of cracks created by tidal stresses. |
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| The recently discovered extrasolar planet Rho Cancri e, one of a systemof at least four planets. Rho Cancri b is visible just to the right ofe. | The orbits of a number of main belt asteroids (in brown) plotted togeter with major planet orbits (in blue). |
转自cnbeta
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本帖最后由 s 于 2008-4-28 20:37 编辑 ]
