1. Astronomy: Re: How did Columbus know which way he was going, did he use the stars? , Matthew Westmore, Grad student, Physics and Astronomy, University of Southampton Fri Oct 27 06:53:35 2000
2. Physics: Re: If something has mass, does that mean it also takes up space?, Matthew Westmore, Grad student, Physics and Astronomy, University of Southampton Thu Oct 19 11:20:29 2000
3. Astronomy: Re: Are there different classifications of stars?, Matthew Westmore, Medical Physicist Thu Jun 24 04:54:40 2004