OBSERVING THE FIRST GALAXIES
6.1 Theories and Observations
A couple of years ago, my family and I visited the remote island of Tasmania off the coast of Australia, known for its unspoiled natural environment. Upon our arrival at a secluded lodge near the beautiful Cradle Mountain reserve, I discovered there was no internet connectivity. When night settled in, I had a few hours to spare—the time I ordinarily use to answer e-mails and check the daily postings of papers on the astro-ph web archive. I stepped out of our cabin and looked around at the pristine sight of nature left to its own. The night was dark with no city light anywhere on the horizon. Up on the sky was a magnificent view of the Milky Way galaxy stretched out in its full glory ...