Front cover: A three-toed-sloth (Scientific name: Bradypus variegatus). Image credit Wikipedia: Stefan Laube

Back cover: The Soap Bubble Nebula, (PN G075.5+01.7) a planetary nebula in the constellation Cygnus, in the heart of the Milky Way galaxy. The name comes from its shape which resembles a soap bubble. Image credit Wikipedia: T.A. Rector and H. Schweiker, the National Optical-Infrared Astronomy Research Laboratory (NOIRLab), USA