Scientists have discovered an ultra-compact quadruple star system where three stars fit within Mercury's orbit.
It's a scene that could evoke popular fantasy stories, with sparkling stars shining above misty mountaintops, but the James Webb Space Telescope image you see above is of a very real part of our ...
The four-star system features three stars in stable orbits, plus a fourth at a distance equal to Jupiter's orbit around our Sun. Reading time 2 minutes Astronomers have identified a rare, tightly ...
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