Our Night Sky

Investigating the origin of the constellations, the traditional groupings of stars that mostly date to antiquity; Orion illustrates the mix of beauty, mythology and scientific knowledge to be found wherever one looks in the heavens.

Learning the best times and conditions for observing; how to identify the positions and magnitudes of stars and planets; how the sky changes over the course of a night; how to use astronomical maps such as a planisphere, and more.

Choices when selecting binoculars or a telescope; what to look for in light-gathering power, optical design, magnification, mounts and other features; several tips for getting the best observing experience out of one's equipment.

The activity of charting the motions and changes of the sun and moon; how both objects offer rich opportunities for study; the precautions to take when observing the sun, which is the only star that can be seen up close and in detail.

Planetary features such as the rings of Saturn, the bands of Jupiter and the phases of Venus are visible through a small telescope; learning when viewing opportunities arise for each of the planets; the sights awaiting the dedicated observer.

Exploring a variety of special phenomena among the wonders of the sky; some, like meteors and aurora, are largely unpredictable; others, like eclipses and annual meteor showers, occur at well-known times; seeing them may require a special trip.