tag gambar: Radio astronomi, kuantitas gambar: 33
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Sakura, teleskop radio, effelsberg, bunga, putih, musim semi, Eifel
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teleskop radio, effelsberg, Eifel, Ruang, teleskop, penelitian, astronomi
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teleskop radio, effelsberg, Eifel, Ruang, teleskop, penelitian, astronomi