Powerful infographic from the FiveThirtyEight.com website (to whom all respect for numbers-led analysis and comment). Gives the question some context and perspective. And #ContextMatters. (Red dots are suicides, blue are homicides, yellow are accidents)
Overall, 33,000 people a year die from shootings in the USA. That IS a big number.
Gaia Sky lets you explore our galaxy, the Milky Way. Gaia Sky is a real-time, 3D, astronomy visualisation software that runs on Windows, Linux and macOS.
https://zah.uni-heidelberg.de/institutes/ari/gaia/outreach/gaiasky/
Cute video featuring nine ways to visualise 1 in a million. Interesting that five of the nine ways involve the use of an intermediate grouping. For example, 100 people have an average of 100,000 hairs on their heads. 10 hairs represents 1 in a million. 4 of the comparisons are direct, eg 1 word in all of the text of the Harry Potter novels.