No, that is not an onomatopoeia. That's more personification. Onomatopoeias are usually the sound the object makes. For example, "buzz!" is an onomatopoeia of a bee or a bug. You could phrase your sentence like this instead: "Crash!! The meteoroids slammed against the earth's surface." In this sentence, "crash!" would be the onomatopoeia.
When they are different temperatures and are in contact.
English please ??????????
The founder of Christianity is Jesus Christ, the Son of God. It came about when he was crucified (AD 30) in Jerusalem. Over time he taught people about love and kindness by spreading morals and stories to townsfolk. He is known as a perfect representation of a good Christian (someone people should look up to).
Hope that this answer helped, let me know if you need any further information. ☺