№ 015 · 02·B6

Space and time as a stage

1687 · Principia

Idea

02 of 10

Layout

Route B · index · seed 205

Theme

paper · paper-grain texture

Drawing

Newton's cannon: numerically integrated launches from 0.07 Earth radii above the surface at 52 % to 120 % of circular speed (GM = 1); the 100 % path closes into a circle.

Figures

• Fig. 2.1Orrery clock, Louis Thouverez, 1790
• Fig. 2.5Horary Quadrant, Muhammad ibn Mahmud, 10th century
• Fig. 2.7Telescope stand, 17th century
• Fig. 2.8Lunar Photograph, South Pole, Paul Henry, 1890

Format

1680 × 2376 · 1 : 1.414 · AVIF 8 KB / 28 KB / 207 KB

Use

© 2026 Rantasalo & Co. Oy. CC BY-NC-ND 4.0: share unchanged, with credit, non-commercially. Photographs and textures: public domain (CC0), The Metropolitan Museum of Art Open Access.