FYI
I just finished reading "Parallax: The Race to Measure the Cosmos" by Alan W. Hirshfeld (2001). This is a really great read on the history of effort to measure distances to stars. Absolutely fascinating. The brilliance and ingenuity of the various players over a 2,000 year time span is mind boggling. These were astronomers with a vengeance. These guys were hard-core observers! Do yourself a favor and check it out. I found it hard to put down.
I just finished reading "Parallax: The Race to Measure the Cosmos" by Alan W. Hirshfeld (2001). This is a really great read on the history of effort to measure distances to stars. Absolutely fascinating. The brilliance and ingenuity of the various players over a 2,000 year time span is mind boggling. These were astronomers with a vengeance. These guys were hard-core observers! Do yourself a favor and check it out. I found it hard to put down.