The Earth is NASA's real Blue Marble (July and January 2004), Black Marble city lights (2016) and cloud maps, from
NASA Earth Observatory / Visible Earth, public domain, with thanks; shown here for learning, not made or endorsed by NASA · the Moon: NASA's Lunar Reconnaissance Orbiter map (
NASA CGI Moon Kit, public domain) · the frog, robin and pumpkin pictures come from our own Frog, Robin and Pumpkin exhibits (frog scan by ffish.asia / floraZia, CC0; pumpkin scan by
Arkify 3D,
CC BY 4.0; the robin from Kelly's own photographs) · the starry sky: NASA's real star map,
Deep Star Maps 2020 (NASA/Goddard Space Flight Center Scientific Visualization Studio, public domain; Gaia DR2: ESA/Gaia/DPAC), from the Hipparcos, Tycho-2 and Gaia star catalogues · the Sun, the air, the layers inside and the year's path drawn in code · sizes and distances are not to scale · real sounds from Freesound (
CC0, thank you!):
calm ocean waves (SamsterBirdies),
soft wind (florianreichelt),
a quiet night with crickets (Goldenboy76),
a summer garden with birds (matucha) · space is silent, so its gentle hum and the music-box waltz were made for this page