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.
The Honourable Miss Phryne Fisher (pronounced Fry-knee) began life in 1989 as the daring lady detective. protagonist of a series of seventeen crime books written by Australian author, Kerry Greenwood. A. glamorous and thoroughly modern woman of the late 1920s with an acquired taste for the best, but.