№ 048 · 04·A3·D

The extended present

1905 · Special relativity

Idea

04 of 10

Layout

Route A · diagonal · seed 7

Theme

dark · dark-grain texture

Drawing

The light cone at 45° with the hyperbolas t² − x² = c² and x² − t² = c² for c = 0.22, 0.44, 0.70 and 1; points on one curve share one spacetime interval.

Figures

• Fig. 4.1Lantern, American, ca. 1770
• Fig. 4.3A Section of the Constellation Cygnus (August 13, 1885), Paul Henry, 1885
• Fig. 4.4Lantern, American, ca. 1825
• Fig. 4.8Nebuleuse de la Lyre, Paul Henry, ca. 1885
• Fig. 4.9[Solar Eclipse from Caroline Island], H. A. Lawrence, May 6, 1883
• Fig. 4.12The Celestial Map- Northern Hemisphere, Albrecht Dürer, 1515
• Fig. 4.13Eclipse of the Sun, W. & F. Langenheim, 1854

Format

1680 × 2376 · 1 : 1.414 · AVIF 8 KB / 21 KB / 69 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.