The NASA-LMT was a 3 m (9.8 ft) apertureliquid-mirror telescope located in NODO's main dome. It consisted of a 3 m diameter parabolic dish that held 4 U.S. gallons (15 L) of a highly reflective liquid metal, mercury, spinning at a rate of 10 rpm, with sensors mounted above on a fixed structure. Due to the primary mirror's material, the NASA-LMT was configured as a zenith telescope. Using 20 narrowband filters, it cataloged space debris in Earth's orbit.[2] The telescope was initially completed in 1994 at NASA's Johnson Space Center, and moved to Cloudcroft the following year, where it operated routinely until June 2002.[3] The LMT was also used for the UBC-NASA Multi-Narrowband survey, which examined galaxies at moderate redshifts.[4] When it was retired, some of the components were used in the 6 m (20 ft) Large Zenith Telescope in British Columbia.
^MULROONEY, M. (May 2007). "The NASA Liquid Mirror Telescope"(PDF). Orbital Debris Quarterly News. NASA Orbital Debris Program Office. Archived from the original(PDF) on 2012-02-15. Retrieved 2012-01-22.
^Hickson, Paul; Mulrooney, Mark K. (1 March 1998). "University of British Columbia–NASA Multi‐Narrowband Survey. I. Description and Photometric Properties of the Survey". The Astrophysical Journal Supplement Series. 115 (1): 35–42. Bibcode:1998ApJS..115...35H. doi:10.1086/313080.
^Jarvis, K. S.; Africano, J. L.; Sydney, P. F.; Stansbery, E. G.; Thumm, T. L.; Jorgensen, K.; Mulrooney, M. (2001). "Observations of the geosynchronous Earth orbital debris environment using NASA's CCD Debris Telescope". In: Proceedings of the Third European Conference on Space Debris. 473: 95. Bibcode:2001ESASP.473...95J.