• What’s up for April 2013

    JPL released another video guide for skywatchers, introducing sky events in April 2013. Jupiter’s moon Io crosses Jupiter’s face on April 3, followed by its tiny black shadow. Comet PanSTARRS will pass 2° west (lower right) of the Andromeda Galaxy, M31 on April 4.

  • What’s Up for March 2013

    The first of this year’s two potential bright comets is visible for those who can see low on the western horizon and find out which spacecraft is on a 10-year mission to catch up with another comet.Credit: JPL

  • Mercury seen at sunset

    The planet Mercury is about to make its best apparition of the year for backyard sky watchers. Look west at sunset for a piercing pink planet surrounded by twilight blue.Source: NASA Science