A major effect of long-term weightlessness involves the loss of bone and muscle mass. Without the effects of gravity, skeletal muscle is no longer required to maintain posture and the muscle groups used in moving around in a weightless environment differ from those required in terrestrial locomotion.
Marina /ma-ri-na/ [3 sylls.] as a girls' name is pronounced mah-REE-nah. It is of Latin origin, and the meaning of Marina is from the sea. From marine. A saint's name. Shakespeare gave the name to Pericles' daughter in his play Pericles, Prince of Tyre.
Maya is used chiefly in English and it is derived from Latin origins. The name Maya is derived as a re-spelling of the Roman name Maia, or else as a Latinate version of May. The Roman name could be of the Latin element 'maia' or else 'mai' (meaning great, big).lternatively, the name could be from the Sanskrit word for 'illusion'. The first name was adopted by English speakers at the start of the 20th century, chiefly in the USA. Maya is of Sanskrit origin and it is used largely in the Indian language. The meaning here is 'dreams, illusion'.