24 october 1946. A time when no one saw what the earth would look like from space. The following is the first image of Earth from space, taken 65 miles above, with a movie camera fitted to a modified v2...
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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