You've reached a page on rml3.com, a site dedicated to some of my hobbies including: Astronomy, Historical Fiction, and Web Site Design. Since the layout of this site is based on CSS, the site will look much better in a browser that supports web standards; however, it is accessible to any browser or Internet device.

The Cosmological Distance Ladder

Hipparcos

Supplemental page describing the tremendous advances in parallax measurements from Hipparcos.

My apologies... this page is not complete yet; however, there you can learn about the Hipparcos Mission at the following site.  Data from the Mission is also available there for your own investigations.

Hipparcos Space Astrometry Misison

This page will also eventually contain my own work on measuring the distance to the Pleiades and Hyades star clusters.