<ul><li>Astronomers have discovered a massive, previously unseen cloud of gas and dust near our solar system, named Eos.</li><li>Eos is one of the largest known structures in the sky, located just 300 light-years from Earth.</li><li>The unique feature of Eos is its invisibility to traditional telescopes due to being 'CO-dark'; it was detected using far ultraviolet light.</li><li>The Eos cloud, shaped like a giant purple cap, is made mostly of molecular hydrogen and offers insights into the formation of stars and planets.</li></ul>

Scientists spot vast hidden cloud floating near our solar system

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