Most other news/social media sites have a small picture and/or a blurb to set the context beyond the headline. Since this is not possible here, I'd suggest tags

Most other news/social media sites have a small picture and/or a blurb to set the context beyond the headline. Since this is not possible here, I'd suggest tags like "Astronomy", "Science" etc. to help alleviate the problem of confusing headlines (pretty sure this has been discussed before, but anyway...)