Definition of asthenosphere : a zone of a celestial body (such as the earth) which lies beneath the lithosphere and within which the material is believed to yield readily to persistent stresses asthenospheric
Fraser: Right. Pamela: And so any time you hear a noise in space, if you hear explosions, thatâs probably your own spacecraft, and the noise is transferring through the hull and through the air in your spacecraft. Other than that, youâre not going to hear explosions.
The devastating impact of the explosion does not stop after the initial blast, as with regular explosives. A cloud of nuclear radiation travels from the epicenter of the explosion, causing an impact to life forms even after the heat waves have ceased.