TakaakiFukatsu https://blog.hatena.ne.jp/TakaakiFukatsu/ ［The Thunderbolts Project, Japan Division］公式ブログ Takaaki Fukatsu’s blog https://takaakifukatsu.hatenablog.jp/ MARS and the GRAND CANYON火星とグランドキャニオン by Wal Thornhill | October 24, 2001 2:49 pm“The ultimate objective of comparative planetology, it might be said, is something like a vast computer program into which we insert a few input parameters (perhaps the initial mass, composition and angular momentum of … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakaakifukatsu.hatenablog.jp%2Fentry%2F2023%2F11%2F22%2F215332" title="MARS and the GRAND CANYON 火星とグランドキャニオン by Wal Thornhill - ［The Thunderbolts Project, Japan Division］公式ブログ Takaaki Fukatsu’s blog" 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/T/TakaakiFukatsu/20231122/20231122214728.png Hatena Blog https://hatena.blog 2023-11-22 21:53:32 rich https://takaakifukatsu.hatenablog.jp/entry/2023/11/22/215332 1.0 100%