31. It was survived by the still-functioning Landsat 7 and recently launched Landsat 8. 32. Usually, Earth observation satellites have three or more radiometers ( Landsat has seven ). 33. In the Landsat case, the seven scenes comprise a seven-band multispectral image. 34. The system's imagery is derived from Landsat , and features 3D perspective views. 35. After all, the Landsat 7 satellite pictures will cover roughly 115 miles by 105 miles. 36. This was eventually renamed to Landsat . 37. As a consequence, Landsat 4 and Landsat 5 were used well beyond their designed lifespan. 38. As a consequence, Landsat 4 and Landsat 5 were used well beyond their designed lifespan. 39. After 29 years in space, Landsat 5 was officially decommissioned on June 5, 2013. 40. Landsat 5 recorded many significant events.