Mars Curiosity Rover Sights Its First UFO: Object Ascends Near Light?

This video is doing the rounds online and shows what looks to be like a small object ascending from the ground near the Mars Curiosity Rover.
Please view this video in FULL SCREEN when you see it.
NASA is saying its simply the movement of a cloud of dust in the background, caused by the rover landing - but is it?. Your comments on the footage welcome.
Look closely:




Posters comments:
Object