摘要
We humans are always asking why.It seems to be our nature.How did we get here?Are we alone in the universe?How does the universe work?These are the questions we are still trying to answer,which also has been the ultimate goal of astronomy for thousands of years.For centuries,telescopes,being powerful tools for exploring the universe,have enabled us to probe beyond what we can reach on our own.Just this summer,an already-legendary telescope,the 6.5-m James Webb Space Telescope(JWST),has started to take astronomers a step closer to their ultimate goal.
