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13 February, 2011
16:00
Specifically, in cosmology, the perceived worthiness of a question seems roughly proportional to the increasing number of light-years that separate us from its answer. In this view, most events considered interesting will occur a trillion years from now, or already took place many billions of years ago on the other side of the universe. This is exactly opposite from much of the rest of observational astronomy, where many of the most treasured objects are those that, because they are relatively nearby, offer plentiful photons for astronomers to gather and study.
