I would agree with Karen Glenn that Robert Frost may be the greatest American Poet of the 20th century. Here is a short poem comparing fireflies to stars that pulls up questions of science and employs powerful vocabulary. Enjoy! (And if you do enjoy, consider leaving your thoughts for other readers--click on the "comments" link below the post here.)
~Mr. Paulson
Here come real stars to fill the upper skies,
And here on earth come emulating flies,
read the rest at: http://www.poetryfoundation.org/archive/poem.html?id=171622