・September 2011 Supermassive black holes •at about 54.4 million light-years away in the direction of Virgo announced.
・Black holes have extremely strong gravity, even light could inhale as well as
Source: Yahoo! News
・Incidentally it takes about 100,000 years for 20 light years by the ship cruising speed of the current, so we will need about 300 billion years till the black hole in space travel ! ! !
Source: Wikipedia ”Black hole”