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Nature 391, 434-435 (29 January 1998) | doi:10.1038/35017
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Manager for the Recently Established Fly Facility
- Max-Planck-Institute of Immunobiology
- Freiburg Germany
Full-Professor of Heart and Thoracic Surgery (W3) (f / m)
- Friedrich-Schiller-University Jena
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Remote sensing: Appreciate the gravity
Thomas A. Herring1
Two satellites will soon be launched that can measure annual variations in the Earth's gravity due to mass changes equivalent to 1 cm of water over 250,000 km2 — an area smaller than the Caspian Sea. This is gravity measurement of unprecedented accuracy.
- Thomas A. Herring is in the Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA.
e-mail: Email: tah@mtglas.mit.edu
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