L’apparente flare del Pianeta Venere è solo un’illusione ottica prodotta dal riflesso del Telescopio STEREO.
NASA STEREO Footage of Venus Explosion | Optical Illusion Only
This video shows an interesting optical illusion caused by STEREO optics. As Venus moved beyond the field of vision it seems to flare back into view. Due to the type of telescope being used.
Take a look here: http://www.youtube.com/watch?v=EobDChI25oI (2010 – Video)
NASA response: http://stereo.gsfc.nasa.gov/artifacts/artifacts_reflections.shtml