ហេតុអ្វី​ពេល​ថ្ងៃ​ក្តៅ​ ផ្លូវ​ថ្នល់​ចាំង​ដូច​មាន​ទឹក​ដក់?

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\u17a0\u17be\u1799\u200b\u1796\u17c1\u179b\u200b\u1781\u17d2\u179b\u17c7\u200b\u1791\u17c0\u178f\u200b\u1793\u17c4\u17c7\u200b\u1793\u17c5\u200b\u179b\u17be\u200b\u1795\u17d2\u179b\u17bc\u179c\u200b\u17a0\u17b6\u1780\u17cb\u200b\u178a\u17bc\u1785\u200b\u1787\u17b6\u200b\u1798\u17b6\u1793\u200b\u1791\u17b9\u1780\u200b\u178a\u17b6\u1794 \u1793\u17b7\u1784\u200b\u1785\u17b6\u17c6\u1784\u200b\u178a\u17bc\u1785\u200b\u1780\u1789\u17d2\u1785\u1780\u17cb\u200b\u178a\u17c2\u179a\u200b\u17ac\u1791\u17c1\u17d4 \u178f\u17be\u200b\u1780\u17b6\u179a\u200b\u1798\u17be\u179b\u200b\u1783\u17be\u1789\u200b\u1791\u17b9\u1780\u200b\u178a\u17bc\u1785\u200b\u1798\u17b6\u1793\u200b\u1791\u17b9\u1780\u200b\u178a\u1780\u17cb\u200b\u1793\u17c5\u200b\u179b\u17be\u200b\u1795\u17d2\u179b\u17bc\u179c\u200b\u1790\u17d2\u1793\u179b\u17cb\u200b\u1793\u17c1\u17c7\u200b\u1794\u178e\u17d2\u178f\u17b6\u179b\u200b\u1798\u1780\u200b\u1796\u17b8\u200b\u1798\u17bc\u179b\u200b\u17a0\u17c1\u178f\u17bb\u200b\u17a2\u17d2\u179c\u17b8? \u1791\u17b6\u1780\u17cb\u200b\u1791\u1784\u200b\u1793\u17b9\u1784\u200b\u1794\u1789\u17d2\u17a0\u17b6\u200b\u1793\u17c1\u17c7\u200b\u179b\u17c4\u1780 \u179b\u17b9\u1798 \u179f\u17bb\u179c\u178e\u17d2\u178e\u179c\u17b7\u1785\u17b7\u178f\u17d2\u179a \u1794\u17b6\u1793\u200b\u1796\u1793\u17d2\u1799\u179b\u17cb\u200b\u1793\u17c5\u200b\u1780\u17d2\u1793\u17bb\u1784\u200b\u1794\u17d2\u179b\u17bb\u1780\u200b\u179a\u1794\u179f\u17cb\u200b\u179b\u17c4\u1780\u200b\u1790\u17b6 \u1794\u17b6\u178f\u17bb\u1797\u17bc\u178f\u200b\u1793\u17c1\u17c7\u200b\u1782\u17c1\u200b\u17a0\u17c5\u200b\u1790\u17b6 Inferior Mirage\u17d4 Mirage \u1787\u17b6\u200b\u1794\u17b6\u178f\u17bb\u1797\u17bc\u178f\u200b\u17a2\u17bb\u1794\u200b\u1791\u17b7\u1785 \u178a\u17c2\u179b\u200b\u1782\u1793\u17d2\u179b\u1784\u200b\u1796\u1793\u17d2\u179b\u17ba\u200b\u178f\u17d2\u179a\u17bc\u179c\u200b\u1794\u17b6\u1793\u200b\u1794\u17c6\u1794\u17c2\u179a\u200b\u178a\u17c4\u1799\u200b\u179f\u17b6\u179a\u200b\u1792\u17d2\u179c\u17be\u200b\u178a\u17c6\u178e\u17be\u179a\u200b\u1786\u17d2\u179b\u1784\u200b\u1780\u17b6\u178f\u17cb\u200b\u1798\u1787\u17d2\u1783\u178a\u17d2\u178b\u17b6\u1793\u200b\u178a\u17c2\u179b\u200b\u1798\u17b6\u1793\u200b\u179f\u1793\u17d2\u1791\u179f\u17d2\u179f\u1793\u17cd\u200b\u1785\u17c6\u178e\u17b6\u17c6\u1784\u1794\u17c2\u179a (refractive index) \u1781\u17bb\u179f\u200b\u1782\u17d2\u1793\u17b6\u17d4 \u1794\u17b6\u178f\u17bb\u1797\u17bc\u178f\u200b\u1793\u17c1\u17c7\u200b\u1798\u17b6\u1793\u200b\u1796\u17b8\u179a\u200b\u1794\u17d2\u179a\u1797\u17c1\u1791\u17d6 1) Inferior Mirage 2) Superior Mirage\u17d4 \u1793\u17c5\u200b\u1796\u17c1\u179b\u200b\u1790\u17d2\u1784\u17c3\u200b\u1780\u17d2\u178f\u17c5\u200b\u1781\u17d2\u179b\u17b6\u17c6\u1784 \u200b\u1780\u17c6\u178a\u17c5\u200b\u1793\u17c5\u200b\u1780\u17d2\u1793\u17bb\u1784\u200b\u1781\u17d2\u1799\u179b\u17cb\u200b\u1798\u17b7\u1793\u200b\u179f\u17d2\u1798\u17be\u200b\u1782\u17d2\u1793\u17b6\u200b\u1791\u17c1\u17d4 \u1795\u17d2\u1793\u17c2\u1780\u200b\u1781\u17b6\u1784\u200b\u1780\u17d2\u179a\u17c4\u1798\u200b\u1793\u17c5\u200b\u1787\u17b6\u1794\u17cb\u200b\u1793\u17b9\u1784\u200b\u1795\u17d2\u179b\u17bc\u179c\u200b\u1780\u17d2\u178f\u17c5\u200b\u1787\u17b6\u1784\u200b\u1795\u17d2\u1793\u17c2\u1780\u200b\u1781\u17b6\u1784\u200b\u179b\u17be\u17d4 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\u200b\u1793\u17b7\u1784\u200b\u1795\u17d2\u1793\u17c2\u1780\u200b\u1781\u17b6\u1784\u200b\u179b\u17be\u200b\u178f\u17d2\u179a\u1787\u17b6\u1780\u17cb \u1793\u17c4\u17c7\u200b\u1782\u1793\u17d2\u179b\u1784\u200b\u179a\u1794\u179f\u17cb\u200b\u179c\u17b6\u200b\u1793\u17b9\u1784\u200b\u1798\u17b6\u1793\u200b\u179a\u17b6\u1784\u200b\u1780\u17c4\u1784\u200b\u1795\u178f\u200b\u1785\u17bb\u17c7\u200b\u1780\u17d2\u179a\u17c4\u1798\u200b\u178a\u17bc\u1785\u200b\u179a\u17bc\u1794\u200b\u1781\u17b6\u1784\u200b\u1780\u17d2\u179a\u17c4\u1798\u17d4 \u178a\u17bc\u1785\u17d2\u1793\u17c1\u17c7 \u1793\u17c5\u200b\u1796\u17c1\u179b\u200b\u1793\u17c4\u17c7\u200b\u1797\u17d2\u1793\u17c2\u1780\u200b\u179a\u1794\u179f\u17cb\u200b\u1799\u17be\u1784\u200b\u1793\u17b9\u1784\u200b\u1798\u17be\u179b\u200b\u1783\u17be\u1789\u200b\u179a\u17bc\u1794\u200b\u1797\u17b6\u1796\u200b\u17a0\u17b6\u1780\u17cb\u200b\u178a\u17bc\u1785\u200b\u1787\u17b6\u200b 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