There are many immortal creatures in the biological world. Large red prawns found in the sea are biologically immortal. Some species of turtles can live up to five centuries. There are many creatures on this earth that live in impossible...
In the constellation Telescopium, a black hole is hidden in a binary galaxy (v723mon) visible to the naked eye. That is the closest known black hole to Earth. 1500 light-years may seem big to us, but in terms of the...
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