Before the ribbon-cutting for the solar system walk on the Columbia Greenway Rail Trail on Nov. 29, created by WHS Astronomy ...

CC0 Usage Conditions ApplyClick for more information. Where do we come from? How did our planet form? How do we know about the history of our solar system? You can explore these universal questions in ...

The solar system walking tour was developed with the help of a multidisciplinary team that included about 10 graduate researchers who helped write and edit the information on the signs. The display ...