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主題: Milky Way 作者: peter 於 2017-05-21 13:12:02 Milky Way
growth chart http://www.zmescience.com/space/observations/milky-way-age-chart-11012016/ (http://cdn.zmescience.com/wp-content/uploads/2016/01/qfydivboigfmvar1vqha.png) https://www.nasa.gov/jpl/charting-the-milky-way-from-the-inside-out/ Mapping the Outer Milky Way (http://www.sdss.org/wp-content/uploads/2014/06/streams.jpg) (http://www.sdss.org/wp-content/uploads/2014/06/segue_fields.jpg) |