This is a cool find. I have never even heard of this before. Good post.
I would just add that on SteemSTEM the curators like for authors to cite their sources. Wander over to my blog and check out a few of my posts to see what I mean.
This post here would be a good example:
https://steemit.com/steemstem/@procrastilearner/black-hole-sun-replacing-our-star-with-a-black-hole
Thank you