GRACE-FollowOn satellites

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Artists rendition of GRACE-FO satellites. Like the original GRACE, the twin GRACE-FO satellites follow each other in orbit around the Earth, separated by about 137 miles (220 km). The exact distance is affected by the changing gravity field below and is continually measured by laser ranging between the satellites.
Originally uploaded in GETSI:What is Geodesy?.

Image 234419 is a 1456 by 2048 pixel JPEG
Uploaded: Jan30 20

Last Modified: 2020-01-30 11:29:22
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