On Thursday (Dec. 18), President Donald Trump issued an executive order designed to ensure American space superiority. It calls for the initial construction of a moon base by 2030, among other goals.
Nature sends us its signals in the form of light. Astrophysical phenomena emit light in all its forms, from harmless radio waves to deadly gamma-rays, and its up to us to build the facilities that can sense and dissect this light, and to understand the phenomena behind it all.

