Coming up at 12:30: Astrophysics Professor @DrRob_Thacker joins @_MarkSutcliffe for his weekly science segment… twitter.com/i/web/status/9…

Coming up at 12:30: Astrophysics Professor@DrRob_Thacker joins@_MarkSutcliffe for his weekly science segment… twitter.com/i/web/status/9…