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]
Orbits 'R' Us! When we talk about how Earth and the other planets travel around the Sun, we say they orbit the Sun. Likewise, the moon orbits Earth. Many artificial satellites also orbit Earth. When it comes to satellites, space engineers have different types of orbits to choose from.Satellites can orbit Earth's equator or go over Earth's North and South Poles. . . or anything in between.They orbit at a low altitude of just a few hundred miles above Earth's surface or thousands of miles out in space. The choice of orbit all depends on the satellite's job.atellites can orbit Earth's equator or go over Earth's North and South Poles. . . or anything in between. They orbit at a low altitude of just a few hundred miles above Earth's surface or thousands of miles out in space. The choice of orbit all depends on the satellite's job.