Hoạt động: Mô hình

Lisa Pathfinder paper model

Sự khó khăn: ★ ★

Hubble Space paper model

Sự khó khăn: ★ ★

Alma transporter paper model

Sự khó khăn: ★ ★

Scale Models

Sự khó khăn: ★ ★ ★ ★

The Sun above and below the local horizon

Sự khó khăn: ★

Black hole

Sự khó khăn: ★ ★ ★

Path of the North pole

Sự khó khăn: ★ ★ ★

Teaching the origin of seasons

Sự khó khăn: ★ ★ ★ ★ ★

The Sun and its daily and annual paths

Sự khó khăn: ★

Sunrise and sunset position change

Sự khó khăn: ★ ★

Solar Motion Demonstrator

Sự khó khăn: ★

Telescope Allocation Committee

Sự khó khăn: ★ ★ ★