外部链接
*宇宙图鉴: [http://www.atlasoftheuniverse.com/orbits.html 聚星轨道]
*哈佛大学地图馆藏 [https://web.archive.org/web/20120817121654/http://hcl.harvard.edu/libraries/maps/exhibits/mercator/main.html The Mercator Globes ]
外部链接
*宇宙图鉴: [http://www.atlasoftheuniverse.com/orbits.html 聚星轨道]
*哈佛大学地图馆藏 [https://web.archive.org/web/20120817121654/http://hcl.harvard.edu/libraries/maps/exhibits/mercator/main.html The Mercator Globes ]
评论 (0)