Q: What caused our Big Bang? A: The repeated doubling in size of an explosive subatomic speck of inflating material. Q: Did our Big Bang happen at a single point? A: Almost: it began in a region of space much smaller than an atom. Q: Where in space did our Big Bang explosion happen? A: In that tiny region—but inflation stretched it out to about the size of a grapefruit growing so fast that the subsequent expansion made it larger than all the space that we see today. Q: How could our Big Bang create an infinite space in a finite time? A: Inflation produces an infinite number of galaxies by
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