The horizon is not a physical surface, merely a conceptual one, and although it marks the point of no return for material plummeting toward the singularity, relativity says that nothing special happens there; the laws of physics are the same everywhere.
详情正文
登录后查看完整内容
使用 DeepEvidence / 梅斯账号登录，新用户可在登录页面注册。
登录 / 注册登录成功后将返回当前页面，继续浏览。