Memoir, autobiography, biography. A memoir is a special kind of autobiography, usually involving a public portion of the authorâs life as it relates to a person, historic event, or thing. The text is about the personal knowledge and/or experiences of the author. literary agent discusses the contents of a quality memoir and how it differs from an autobiography or biography. Memoirs are perennially popular with many new books coming out each year. The bestseller, Night, by Elie Wiesel, is a memoir, not an autobiography or biography.
According to CelesTrak there are 2,691 inactive satellites in orbit. 1,490 satellites are active for a total of 4,181. [1] The UCS Satellite Database has an equivalent number. [2]
1 Low-Earth orbits (LEO) â LEO satellites occupy a region of space from about 111 miles (180 kilometers) to 1,243 miles (2,000 kilometers) above Earth. 2  Satellites moving close to the Earth's surface are ideal for making observations, for military purposes and for collecting weather data. Satellites moving close to the Earth's surface are ideal for making observations, for military purposes and for collecting weather data. 2  Medium-Earth orbits (MEO) â These satellites park in between the low and high flyers, so from about 1,243 miles (2,000 kilometers) to 22,223 miles (36,000 kilometers).