As we have learned over the centuries, when it comes to burning witches, it doesn’t really matter if you have burned a real witch or just someone who, in your fevered, partisan, and paranoid imagination, could easily become a witch in the future. It is the burning that is the message.
Every year, from about July 17 through Aug. 24, planet Earth orbits through the debris field of Comet Swift-Tuttle, the parent comet of the Perseid meteor shower.
Whereas Altair’s magnitude remains constant going forward, Mercury dims and, of more significance, sets a minute or two earlier every night this week.
Even faint shooting stars may be visible in dark skies in locations away from artificial light. The peak of the Eta Aquariids is predicted to be before dawn Sunday morning, May 5.
At this time of year, midway between the autumn equinox and winter solstice, the stars Vega, Altair and Deneb are positioned high in the south at twilight.
The concept of a planisphere -- a chart of the sphere of the sky drawn for viewing in two dimensions – originated centuries ago; its hands-on format makes it an exciting introduction to the night sky.
Like preserving natural landscapes for biodiversity, preserving access to clear skies that allow human contact with the cosmos is crucial to quality of life.
As sunlight fades from Earth’s atmosphere and dusk deepens, the golden light of true star Arcturus, summer’s brightest, comes into view above Jupiter.
To bring back the Milky Way, which is lost to light and air pollution in most areas, we need Tanabata festivals all over the Earth, times of celebration where the lights are turned down and eyes turned up to the sky.