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4 tiny, Earth-like planets found circling 2nd-closest star system to us — and could be visited by future human generationsA quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...
through the centre of the small circle to its edge. Image caption, STEP 4 - ARCS FOR STAR POINTS: Put the spike of the compass at the bottom of the circle and set the width to the NEAREST point on ...
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