Euler’s method reveals how many modiefied 100MT Tzar bombs we need to signficantly altering Halley’s comet by bringining it to a complete stop. If we did it did crash into the sun, we could even cause it to hit Mercurcy or Venus should we be so inclined. Mars on the other hand requires a comet with a different orbit than Halley’s such as the one that almost hit it recently.