Skyscript Astrology Forum

In this era of interplanetary probes and a seemingly endless supply of stunning images from the Hubble Space Telescope, it can be easy to forget how little we used to know about the world beyond Earth orbit.

Apollo 11 astronaut Buzz Aldrin joined the Boston Pops at Boston's Symphony Hall on Thursday for a performance of four movements from Gustav Holst's The Planets to provide a helpful reminder.