<p style="font-size: 12px;color:#aaa;">版权引用：<a href="https://avopix.com/photo/384898-astronaut-edward-h-white-ii-pilot-on-the-gemini-titan-iv-gt-4-spaceflight-floats-in-the-zero-gravity-of-space-outside-the-gemini-iv-spacecraft-original-from-nasa"><span style="font-size: 12px;color:black;">“Astronaut Edward H. White II, pilot on the Gemini-Titan IV (GT-4) spaceflight, floats in the zero gravity of space outside the Gemini IV spacecraft. Original from NASA.”</span> </a>由 <a href="https://avopix.com/author/photos/nasa-source"><span style="font-size: 12px;color:black;">NASA (Source)</span></a> 授权许可 <span><a href="https://creativecommons.org/publicdomain/zero/1.0/deed.zh" target="_blank" style="font-size: 12px;color:black;">CC0 1.0 Universal Public Domain Dedication<img src="" style="display: inline-block;height: 16px;width: auto;"></a></span></p>