Analyse @NASAUniverse's tweets
@NASAUniverse
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Two huge black holes are dancing at the center of galaxy OJ 287, but their dance is complicated. In 2019, our Spitzer telescope was able to help scientists confirm their predictions about the 12-year orbit of these two behemoths. More: https://t.co/N2Na5oxES1 #BlackHoleWeek⚫ https://t.co/8969tW1tMV