Memoirs are typically classified as a subgenre of the autobiography. The main difference is that a memoir is more focused. An autobiography typically spans a person's entire life and contains intricate details like the writer's family history and childhood.A memoir, on the other hand, is much more centralized.esson Summary. Memoirs are a subgenre of the autobiography. They are different from standard autobiographies because they are more focused. An autobiography usually spans a person's entire life, while a memoir may concentrate on a particular time or place in the writer's life.
Mars has two natural satellites. Phobos is the nearest and orbits Mars in just a few hours. It rises in the west and sets in the East. Demios is further out and only takes sl â¦ ightly longer to go round Mars than it takes Mars to turn on it's axis so it spends several days climbing up the sky.
A NASA expert explains why GPS needs 24 satellites to work. He explains how trilateration works with a two-dimensional model. Then the expert shows how the information from four satellites can identify an exact location on Earth.