Tracking Clouds over Venus's Night Side
![](https://cdn.sci.esa.int/documents/34571/35316/1567217915064-Cloud-tracking_infrared_2_b410.jpg)
Date: 12 July 2006
Satellite: Venus Express
Depicts: Map of Venus's night side at 1.7 microns
Copyright: ESA/VIRTIS/INAF-IASF/Obs. de Paris-LESIA
The image, covering a 160° wide strip between latitudes 20° and 90° south, shows clouds being clearly pushed by winds. Using a set of images of the same area acquired at different times, it is possible to make a direct measurement of the wind speed.
Last Update: 1 September 2019