Fifth planet (hypothetical) orbit as defined by the Titius–Bode law. Between 1845 and 1851, eleven additional asteroids were discovered and Jupiter had become the twentieth planet. At this point, astronomers began to classify asteroids as minor planets. Following the reclassification of the asteroids in their own group, Jupiter became the fifth planet once again. With the redefinition of the term "planet" in 2006, Ceres is now considered a dwarf planet. The disruption theory suggests that a planet which was positioned between Mars and Jupiter was destroyed, resulting in the asteroid belt between these planets. Scientists in the 20th century dubbed this hypothetical planet
Tales from the Planet Sylvia Tales from the Planet Sylvia Tales from the Planet Sylvia is a 1990 collection of comic strips by the American cartoonist Nicole Hollander from her syndicated comic strip "Sylvia". The strips are non-continuous with one another, as is usual for "Sylvia", and they feature the standard content of "Sylvia" comics, such as cats, gender politics, and the afterlife. The strips display a pungent sense of humor and a strong touch of feminism, as the title character interacts with her friends, her daughter, and her television set. Published in 1990 by St. Martin's Press, the book has an introduction by Barbara