Solar and lunar eclipses in the umbra and penumbra

Name: Solar and lunar eclipses in the umbra and penumbra
Brand: Patterns of World
SKU: world-eclipses
Price: 3.99 USD
Availability: OnlineOnly

Control the time, switch perspectives, and observe when the sun, earth, and moon are truly aligned, and how the moon's orbital inclination blocks most eclipse opportunities.

$3.99

An internet connection is needed to load download options.