While we continue to learn how to dodge threats to our physical health from the pandemic, spring is arriving with opportunities to nurture mind and body in the safety of the outdoors.
Tag: planisphere
EYES TO THE SKY: Star wheels, key to constellations; best-of-year meteor shower
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.