Planetary core has an observed magnetic field, which is believed to be generated within its metallic core. Mercury's core occupies 85% of the planet's radius, making it the largest core relative to the size of the planet in the Solar System; this indicates that much of Mercury's surface may have been lost early in the Solar System's history. Mercury has a solid silicate crust and mantle overlying a solid iron sulfide outer core layer, followed by a deeper liquid core layer, and then a possible solid inner core making a third layer. The composition of Venus' core varies significantly depending on the
The Theatre and its Double The Theatre and its Double The Theatre and Its Double ("Le Théâtre et son Double") is a collection of essays by French poet and playwright Antonin Artaud and published in 1938. Artaud intended his work as an attack on theatrical convention and the importance of language of drama, opposing the vitality of the viewer's sensual experience against theatre as a contrived literary form, and urgency of expression against complacency on the part of the audience. The collection's more famous pieces include "No More Masterpieces", an attack on what Artaud believed to be the elitism of an irrelevant, outdated literary/theatrical canon,