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“中性子星は、ブラックホールに次いで宇宙で2番目に密度の高い天体である。中性子星の物質はティースプーン1杯ほどの量で、地球上では約1億トンの重さになる。その固体状の...”
– ニュース - 科学＆宇宙 - 鋼鉄の百億倍の強度、中性子星の外殻（記事全文） - ナショナルジオグラフィック 公式日本語サイト
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