@CNN: For billions of years, it lived in our solar system without us even knowing it was there. But this object couldn’t remain hidden around Jupiter forever. It was just peculiar enough to be noticed by researchers. https://t.co/jj1BHJuHu4 https://t.co/zrlUbEaRxk

@CNN: For billions of years, it lived in our solar system without us even knowing it was there. But this object couldn’t remain hidden around Jupiter forever. It was just peculiar enough to be noticed by researchers. https://t.co/jj1BHJuHu4 https://t.co/zrlUbEaRxk