... With the explosion of science done in the 18th century (see timelines from the last lecture), we are now well on our way of implicitly asserting that "science" is the solution to all of our problems: . ...
... At no time will the ants become spread out in radial distance from the point of the initial explosion. ... Galaxies, therefore, are not "flying" through the Universe as a consequence of some physical explosion. ...
... Asteroid impacts, Krakatoa-type volcanic explosions, hurricanes, floods, and tectonic erosion of mountain systems all occur, may be catastrophic, and can create and destroy landforms. ...
... More massive stars, which evolve faster, conclude their stay in this part of the diagram by an explosive ignition of the helium core (at C), but this explosion is well hidden inside the star. ...