Terrestrial Exoplanets Have Circular Orbits, Say Astronomers

According to a team of astronomers at Aarhus University in Denmark, Earth-sized terrestrial planets orbit their host stars in circular patterns, much like the planets of our Solar System. Solar System planets move on almost circular orbits. In contrast, many extrasolar gas giants travel on highly elliptical orbits, whereas the shape of the orbits of [...] —> Read More