0 past simple and past participle of explode
1 to break up into pieces violently, or to cause something to do this:
2 to react suddenly with a strong expression of emotion:
[ + speech ] "What on earth do you think you're doing?" she exploded (= said angrily).
The children exploded into giggles (= suddenly started laughing uncontrollably).
The population has exploded in the last ten years.
4 to show something to be wrong:
The plane dived towards the ground and exploded in a ball of flame.
Witnesses reported seeing a huge orange fireball as the oil refinery exploded.
The terrorists exploded the device just as a convoy was passing.
So the 'instability ' idea to exploded planets is no longer a credible alternative to a planet that formed in the normal way and later exploded.
In an age when technology and materialism seemed to have undermined religious faith, a new 'modern spiritualism' was suddenly born, and it exploded into prominence.
These exploded and the vessel settled on the seabed.