An early Christian tradition deriving from Papias of Hierapolis (c.60–c.130 AD) attributes authorship of the gospel to Mark, a companion and interpreter of Peter, but most scholars believe that it was written anonymously, and that the name of Mark was attached later to link it to an authoritative figure.
Mare Crisium is just visible from Earth with the naked eye as a small dark spot on the edge of the Moon’s face.
Mare Crisium (Wikipedia) Mare Crisium /ˈkrɪsiəm/ (Latin crisium, the “Sea of Crises”) is a lunar mare located in the Moon’s Crisium basin, just northeast of Mare Tranquillitatis. Mare Crisium is a basin of Nectarian age.