In this month's edition:
- Planetary Skylights: Venus, Mercury, Mars, Jupiter, Saturn
- Meteor Showers: Virginids
- March 2017 Sky Charts
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As we head toward summer, nights grow ever lighter with the deepest level of darkness; known as astronomical twilight, absent until early August. The duration of the three ’twilight zones’ continually change from mid northern latitudes, but is perhaps most noticeable around the solstices - particularly the summer solstice.
Using the evening as an example, following sunset civil twilight exists until the Sun drops six degrees below the horizon... [Read more about The Twilight Zones]