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 Halifax Explosion. The Halifax Explosion was the largest man-made explosion to occur before the dropping of the atomic bombs during the Second World War. A Harbour Collision Destroys Halifax. On 6 December 1917, the Mont Blanc, a French vessel loaded with 2.9 kilotons of explosives, collided with the Belgian relief ship, Imo, in Halifax harbour.