Planet the Drake equation, which estimates the number of intelligent, communicating civilizations that exist in the Milky Way. There are exoplanets that are much closer to their parent star than any planet in the Solar System is to the Sun, and there are also exoplanets that are much farther from their star. Mercury, the closest planet to the Sun at 0.4 AU, takes 88 days for an orbit, but the shortest known orbits for exoplanets take only a few hours, e.g. Kepler-70b. The Kepler-11 system has five of its planets in shorter orbits than Mercury's, all of them much more massive
Nearest relative Nearest relative The nearest relative is a designated relationship defined in the legislation of England and Wales through the Mental Health Act 1983, as amended by the Mental Health Act 2007. It is the duty of the Approved mental health professional to determine who is the "nearest relative" of the patient and consult them in the process of assessment, treatment or guardianship. In Section 26 of the Act, there is a specific hierarchy of kinship relations with the patient or in the context of the type and length of joint residency, as well as caring relationships which is used to