Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40623-017-0727-y/MediaObjects/40623_2017_727_Fig2_HTML.gif)
Temperature variations of the Venus disk and the deep space derived from images obtained by LIR during the first Venusian year after the orbit insertion. The short-term variation that has a period of 0.045 Venusian years is coincident with the orbital period of approximately 10 earth days