Landsat 5 concerns

On October 6, 2007, Landsat 5 experienced an issue with its onboard batteries, leading to concerns about power balance. Imaging will be suspended while the flight operations team analyzes the problem. The Landsat team expects the investigation will last from 2 to 3 weeks. Further announcements will be made as needed.

Source: http://landsat.usgs.gov/project_facts