Hockey classy until the puck drops shirt
The two galaxies are presently a Hockey classy until the puck drops shirt two million light years, give or take, from each other. They are expected to collide, and eventually merge, several billion years from now. Don’t worry, it won’t affect us much. For starters, we won’t be around. The Earth will be a dead world by then, with the Sun near the end of its life as a main sequence star. But even if that weren’t the case, stars are so small compared to the distances between them, no individual solar systems are expected to collide as this merger takes place. It cannot be excluded with certainty of course, but it is unlikely that any star during the merger event will come much closer to the Sun than our nearest stellar neighbors are at present, i.e., never approaching our Sun closer than a couple of light years.
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The water at the strike site boils into vapor. The electric potential at the Hockey classy until the puck drops shirt site (possibly one million volts versus the ground state of the water (one million volts per one professor many years ago; measurements of lightning voltage are sparse)) will cause a voltage drop to remote earth ground (“earth ground” meaning to zero volts). The resistance of the water (less for salt water, more for fresh water) determines how far away the electric field takes to drop to zero. Within a near distance of the strike, the volts per meter will still cause a lethal shock potential. Lightning strikes on earth have caused fatal shocks for persons lying on the earth with one end of the body toward the strike and another end away from the strike because of voltage drops away from the strike, while others who were lying perpendicular to the strike/distance direction were not killed, because in the latter case the voltage drop was much smaller across the distance of the contact with the ground. I have personally seen the after-effects of lightning strikes . One hit a tree in a campground I was in. The lightning hit a tree, traveled down to the ground, and then into the ground. The ground under the tree was raised six inches above the surrounding ground out to the drip line of the tree (the effective range of the roots of the tree). That was because the water in the ground out to that distance boiled into steam and, effectively, exploded.