fatacy https://blog.hatena.ne.jp/fatacy/ fatacy’s diary https://fatacy.hatenablog.com/ If we consider the course of light to be a rich curve like a magnetic field line, perception that is not infinite is born. 13 billion light-years is also a shorter distance than I thought, maybe the next galaxy. There is no need to feel pessimistic that the universe is infinite, the universe is more… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffatacy.hatenablog.com%2Fentry%2F2017%2F04%2F10%2F092809" title="Space carrier&#39;s Enterprise - fatacy’s diary" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> https://cdn-ak.f.st-hatena.com/images/fotolife/f/fatacy/20170410/20170410092655.jpg Hatena Blog https://hatena.blog 2017-04-10 09:28:09 rich https://fatacy.hatenablog.com/entry/2017/04/10/092809 1.0 100%