Scientists often use the term “observable universe”, since light from unobservable regions hasn’t had the time to get to us. So what would happen if hypothetically the universe as we know it exploded again?

The answer is that the universe is expanding *in general*, but portions of the universe that are bound to each-other by gravity are not expanding. This includes planets, stars, star systems, star clusters, …

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A supernova explosion could fry all civilizations around nearby stars, but they can also create life, since their nuclear reactions are responsible for creating all heavy elements in the universe. By weight, you …

If the sun exploded, the probability of anything in the solar system surviving would be just about zero.Fortunately, there is no reason to believe that the sun will ever explode.

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It takes eight minutes and twenty seconds for light to travel from the sun to the earth, so we would not know that the sun had exploded until eight minutes and twenty seconds after the explosion occurred.

What kind of planets are in the universe? Question Date: 2020-01-13 Answer 1: There are three types of planets in our solar system: terrestrial planets, gas giants, and ice giants. The terrestrial planets …

What is a fossil in which minerals replace all or part of an organism called. Question Date: 2004-04-27 Answer 1: HAH - right up my ally. The one line answer is a Permineralization --- often the word …