The Cygnus X-1 black hole formed when a large star caved in. It is pulling matter from the nearby blue star.
Black holes are a scientific mystery – there is so much still to discover. The first image of a black ...
Less than 20 years ago, whether planets existed in other solar systems was pure speculation. Since 1995, over 500 planets ...
Our Solar System, and all other star systems, form from a collapsing nebula. Often called stellar nurseries, nebulae are the ...
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