Curious places in Deep Space
4 articles, each fact-checked and tied to a spot you can stand on.
A curved arc of galaxies stretching 3.3 billion light-years across space, discovered in 2021. It's so vast it challenges the fundamental assumption that the universe looks the same in all directions.
A structure of galaxy clusters spanning 10 billion light-years - so impossibly large it shouldn't exist according to current cosmological models. This cosmic wall may require rewriting the laws of the universe.
Pioneer spacecraft experienced a tiny unexplained deceleration toward the Sun, not matching gravitational predictions. Partially explained but residual mystery remains.
Galaxy clusters moving in a coherent direction at 2 million mph, suggesting massive structures beyond the observable universe. Contradicts cosmological principle.
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