This boundary is known as the Bullen discontinuity, or sometimes as the Lehmann discontinuity. A few years later, in 1940, it was hypothesized that this inner core was made of solid iron; its rigidity was confirmed in 1971. The outer core was determined to be liquid from observations showing that compressional waves pass through it, but elastic shear waves do not â or do so only very weakly.
Flannery Literary is a Chicago area literary agency representing writers of books for children and young adults because the most interesting, well-written, and time-honored books are written with young people in mind.
Flannery O'Connor / Life & Works [ send me this essay ] In 5 pages, the writer discusses Flannery O'Connor's life, her style, and her place in the literary world. Flannery O'Connor was born Mary Flannery O'Connor. O'Connor wrote a collection of short stories, 'A Good Man Is Hard to Find'.