earth-mars.svg

<svg width="16100" height="140" xmlns="http://www.w3.org/2000/svg">
  <style>
    text { font-size: 12px; font-family: sans-serif; }
  </style>
  <!-- 지구 -->
  <circle cx="60" cy="50" r="1.87" fill="#3498db" />
  <text x="60" y="70" text-anchor="middle">지구</text>
  <!-- 달 -->
  <circle cx="172.7" cy="50" r="0.51" fill="#cccccc" />
  <text x="172.7" y="70" text-anchor="middle">달</text>
  <!-- 화성 -->
  <circle cx="16040" cy="50" r="0.995" fill="#e17055" />
  <text x="16040" y="70" text-anchor="middle">화성</text>
  <!-- 지구-화성 거리 표시선 -->
  <line x1="60" y1="10" x2="16040" y2="10" stroke="#888" stroke-dasharray="6" />
  <text x="8050" y="35" text-anchor="middle">
    지구-화성(가장 가까울 때)
  </text>
</svg>