Solar System 7 light-years away. Compared to many other planetary systems, the Solar System stands out in lacking planets interior to the orbit of Mercury. The known Solar System also lacks super-Earths (Planet Nine could be a super-Earth beyond the known Solar System). Uncommonly, it has only small rocky planets and large gas giants; elsewhere planets of intermediate size are typical—both rocky and gas—so there is no "gap" as seen between the size of Earth and of Neptune (with a radius 3.8 times as large). Also, these super-Earths have closer orbits than Mercury. This led to hypothesis that all planetary systems start
Sustain Our Planet Sustain Our Planet Sustain Our Planet is a consulting firm that provides carbon calculation and carbon offset consulting to individuals, schools and businesses, focusing on education and greenhouse gas emissions reduction. Sustain Our Planet was formed in 2007 to provide carbon calculation and offset consulting. The company’s carbon calculator allows individuals and businesses to identify their carbon footprint, track it over time and offset it to become carbon neutral. In 2008, Sustain Our Planet expanded its product portfolio and formed its green consulting division to provide environmental services to businesses, energy providers, schools, and cities. The consulting division specializes in