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class="ss"><div><span>导读： </span>一个国际天文学家团队利用一个三星系统验证了爱因斯坦的强等效原理。研究报告发表在《自然》期刊上。阿波罗 15 号宇航员 David Scott 曾在月球上做过一个实验，在没有空气的月球引力场内，锤子和羽毛同时以相同的速 ...</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><div> 一个国际天文学家团队利用一个三星系统验证了爱因斯坦的强等效原理。研究报告发表在《自然》期刊上。阿波罗 15 号宇航员 David Scott 曾在月球上做过一个实验，在没有空气的月球引力场内，锤子和羽毛同时以相同的速率掉落。</div><div><br></div><div><p style="text-align: center;"><a href="data/attachment/portal/201807/06/093123iegsngnwmosizqnm.jpg" target="_blank"><img src="data/attachment/portal/201807/06/093123iegsngnwmosizqnm.jpg"></a></p></div><div><br></div><div> 天文学家在 2011 年观察到了一个三星系统 PSR J0337+1715，距离地球约 4200 光年。三星系统中的两颗距离较近，一颗中子星和一颗白矮星围绕一周 1.6 天，它们围绕另一颗白矮星则需要 327 天。</div><div><br></div><div><p style="text-align: center;"><a 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