Commentary: What future astronomers won't see

 作者:公羊仗     |      日期:2019-03-14 01:20:06
By Lawrence Krauss Faced as we are with impending economic gloom, with financial institutions under threat and stock markets around the world roiling like the sea in A Perfect Storm, perhaps we should step back from our myopic fixation on the present and think rather longer-term. Viewed through the prism of the cosmos, things look a lot brighter. It turns out, in fact, that we live in quite remarkable times. Ever since Edwin Hubble discovered that our universe is expanding,