How did the fragments form a near straight line, an average of about 98,000 miles apart, following each other, seven hours apart? Did each fragment "wait in suspension" for about seven hours for its turn and the word "go"? That's ridiculous, and I challenge the world of science to explain this. If it broke apart, it should have remained in a cluster, not a near straight line.
Fragment "A" was always closest to (facing) Jupiter, and fragment "W" was always furthest away from Jupiter. That means that the comet was like a marching line (squad) of troops, falling behind Jupiter at about a rate of (minus) one mile per second for about twelve months, then doing a "to the rear, march", and overtaking Jupiter for the next twelve months at about a rate of (plus) one mile per second.
God has given comets a guidance system, similar to what mankind has given to rockets and spacecraft. Blow up a balloon, then let it go, and see what happens. Our Creator made the "string of pearls", and commanded it to orbit Jupiter from the beginning of our creation, 4.6 billion years ago. The impacts were a staged "sign", given to mankind, to reveal an upcoming event on Earth. If there were 21 impacts, expect a major event to occur on Earth (probably in Israel or the USA) in July 2015.
God created our solar system to be part of a galactic scheme. Since our Sun is 28, 000 light years from the center of the galaxy, and it takes about 220 million years to travel a complete cycle, then our Sun is traveling about 4,800,000 miles a year, and our planets are spiraling around it as they move through space.
Herman Cummings