NASA discovers oldest ever black hole

3 点作者 samspenc超过 1 年前

1 comment

samspenc超过 1 年前

Sorry this is a dup, I see this was already posted and on the front page <a href="https://news.ycombinator.com/item?id=38166098">https://news.ycombinator.com/item?id=38166098</a>