Observation Dome

Earnings gp, Influence, or Magic +5
Benefit bonus on Knowledge (geography), Knowledge (nature), and Knowledge (planes) checks
Create 8 Goods, 9 Labor, 1 Magic (440 gp); Time 20 days
Size 10—20 squares
This elevated room is open to the sky, has a skylight, or has a retractable roof to allow you to observe the passing of celestial bodies. An Observation Dome includes shelves containing records and notes, a telescope, and other devices dedicated to celestial study. If someone spends 1 hour researching in the Observation Dome, she gains a +2 bonus on Knowledge (geography), Knowledge (nature), and Knowledge (planes) checks to answer a question about the heavens.