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.
From there, one of two known things Can happen: it either becomes a black hole, which has so much gravity not even light can escape, or a neutron star, which is a city-sized corpse of a formerly large star thatâs made out of incredibly dense neutron matter.