Ground beetle (Catascopus sp.). Close-up of a ground beetle, showing its iridescent shell (carapace).

---

Size: 5120px × 3413px
Photo credit: © MELVYN YEO/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: alloy, aperture, astronomy, bath, casting, focal, grinder, herschel, history, length, mirror, newtonian, parabolic, paraboloidal, planet, polisher, ratio, reflector, science, speculum, stars, stellar, telescope, uranus, workshop