Immediate.
imminent
An immediate explosion can occur at any moment.
immediate
immediate
This could be impending, which means approaching, threatening.
A nova is basically an explosion of a star, increasing its brightness by 100-1000 times. Novas occur by the pushing upward and outward of fusing layers of the star, starting with hydrogen.
1986
Immediate is a word for occur at any moment.
1986, the same year as the Challenger Space Shuttle explosion.
At the power plant at Chernobyl in the Ukraine
Havana Harbor, Cuba.
Havana Harbor, Cuba.
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