USCMS/HCAL/TriDas. October, 2003 HCAL TriDAS 1 Tridas Status Drew Baden University of Maryland October 2003.
CMS/HCAL/TriDas. Sept, 2003 HCAL TriDAS 1 Tridas Status Drew Baden University of Maryland September 2003.
Slipher’s Spectra of Nebulae Lowell Telescope – near Flagstaff Arizona – provided spectra of ~50 nebulae – showing 95% of them were moving away from Earth.
