You may know the Greek myth of Perseus, a young hero who slew the petrifying Medusa and the sea monster Cetus, in order to rescue the beautiful Andromeda from her cruel mother Cassiopeia.  The ancient Greeks saw fit to immortalize the story in the sky, by tracing constellations resembling these characters. We recognize these constellations today-- in particular, Andromeda with its legendary naked-eye galaxy M31, our closest spiral galactic neighbor.

This is an ongoing series on Women in Astronomy.  Today, we meet three modern women in astronomy, Jocelyn Bell Burnell, Andrea Ghez, and Carolyn Porco.

Saturn at Opposition

Last month on the program we learned that only the five superior planets can be at opposition. The fast movement of our planet’s orbit brings us between those five planets and the sun every year. In April, Mars was at opposition. This month, on Saturday, May 10th, its Saturn’s turn to shine!