IC 418 spans 0.3 light-years across. IC 418 IC 418, also known as Spirograph Nebula, is a planetary nebula in the Milky Way Galaxy. The name derives from the intricate pattern of the nebula, which resembles a pattern which can be created using the Spirograph, a toy that produces geometric patterns (specifically, hypotrochoids and epitrochoids) on paper. Only a few million years ago, IC 418 was probably a common red giant star. Since running out of nuclear fuel, though, the outer envelope has begun expanding outward leaving a hot remnant core destined to become a white dwarf star. IC 418 lies about
Denys Ovenden the Collins Guide to Freshwater Life a small share in the Collins Fungi Guide. Denys was commissioned by the Open University to prepare a poster accompanying David Attenborough's BBC series Life in Cold Blood. After a period of 15 years’ work, Galápagos, a Guide to the Animals and Plants. This finally went to print after the addition of illustrations two other recently discovered rodents and the elusive pink iguana. Denys Ovenden Denys Ovenden was born on April 1, 1922. His preoccupation with drawing began very early, since there are drawings on the fly-leaves of books from that period. His natural