Cover design JWF Waldron CC BY-SA-NC 4.0. Image sources:
- Background image by ESO/S. Brunier – http://www.beacons.ai/kagman, CC BY 4.0, https://commons.wikimedia.org/w/index.php?curid=9559670
- Earth from space by NASA images by Reto Stöckli, based on data from NASA and NOAA. Instrument: Terra – MODIS – Earth Observatory: Twin Blue Marbles, Public Domain, https://commons.wikimedia.org/w/index.php?curid=24990771
- Topography, bathymetry and paleocontinental reconstruction by GPlates DataBundleForNovices https://www.gplates.org