Activities: Models
Lisa Pathfinder paper model
困难: ★
★
Hubble Space paper model
困难: ★
★
Alma transporter paper model
困难: ★
★
Scale Models
困难: ★
★
★
★
The Sun above and below the local horizon
困难: ★
Black hole
困难: ★
★
★
Path of the North pole
困难: ★
★
★
Teaching the origin of seasons
困难: ★
★
★
★
★
Sunrise and sunset position change
困难: ★
★
Solar Motion Demonstrator
困难: ★
Telescope Allocation Committee
困难: ★
★
★