“Pretty bold talk for a one eyed fat man.”
Only 3 individual planets like this one are know and provable and we are declaring its the youngest in the Galaxy. It was only the 3rd one they have seen, but its the youngest of the three. What am I missing?
Youngest Planet Ever Detected -———————in Our Galaxy
Science sites use clickbait as normal op these days.
Don’t know any more details than you do, but I suspect the “youngest” claim is based how far along it appears to be in the process of coalescing into a planet/ moon when compared to the others.
At 395 light years distance, the telescope images may be clear enough to discern distinct stages the inexorable force of internal gravity collapsing the rubble piles into a tighter and tighter balls. Any internal thermodynamic processes, if and when they start, will, of course, have to be deduced using inferences from secondary observations of heat, electromagnetic fields, etc.
Since planetary formation is reputedly a multimillion year process, significant differences in apparent density, compactness could support claims that one planet was significantly older (or further along in the formation processes) than another.
The irony is not lost on me that, because the formation process is so very, very long and our lives are so very short, our present speculations are literally all the answers we will ever have.