I'm in the process of writing an essay on the possibility of a cosmic impact having opened the Drake Passage. In the process of discovery I found 3 other cosmic impacts that happened in the same time frame. I tried to align these 4 locations on a map and they came out in a straight line giving me the impression that they may be part of the same progenitor. As I was getting some help in the layout of my data it was brought to my attention that the straight line was not possible on a globe and that I was tricked by the use of a Mecator map. What kind of a map would give me a picture of my 4 points and the likelihood of their alignment? I'm a rank amatuer at this sort of thing and can use any help I can get. Thanks for your time and expertise.