Penguin Powered A joint project between NASA/JSC & the NM Bureau of Geology Summary | Background | Objectives | Field Methods | Gravity Method | Results | Geology References | Astronaut Feedback | Press Coverage | Participants | V.I.P. Visits | Acknowledgments

Accurate three dimensional position is essential for gravity surveys

	Penguin surveyor, out standing in the field.
	Barbara Morgan sites 100m target through a laser rangefinder. Jim Hansen (left) films video. Paul Bauer observes.
	Vanity aside, the mirror is an excellent laser rangefinder target.
	Bill Muehlberger (left) assists T.J. Creamer (center) and Greg Johnson in field surveying techniques.
	Chris Ferguson and Barbara Morgan confer about their precise location.