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.
10. Not every star explodes. For instance, our Sun (which is a star) will never explode. Stars that are 10 to 100 times bigger than our Sun eventually explode and create a supernova explosion.he amount of energy radiated in one supernova explosion is equal to the amount of energy that is radiated by our Sun so far plus the energy that it will radiate for the rest of its life. 4. A supernova is so bright that it literally takes weeks and sometimes months for the brightness to fade away. 5.