An alternative view due to Rama et al.34 is that the other element in the core is sulphur and on this view one does not require such ... Seismic waves give some guide to the constitution of the Earth, and Lyttleton35 records seven layers or regions ... Region D, the main part of the mantle extending down to depth 2898 km., where a sharp change to the liquid state occurs. ... The minimum pressure in the moon, from calculation in view of its radius of about 1 738 km. and assuming uniformanbsp;...
|Title||:||The solar system|
|Author||:||Frank W. Cousins|