A strange disc-shaped object was filmed flying over Sydney's skies on Monday, prompting residents to suspect it may have been alien aircraft. The strange UFO was seen from the NSW capital as far as the Central Coast, with the bright white object leaving a trail behind it. 'Did anyone see the strange light moving across the sky about 10 minutes ago?' a woman from Sydney's inner-west asked on Facebook. 'I hope I'm not the only one who saw it because it's the weirdest thing I've ever seen in my life.' The eerie pictures of the UFO instead had a more...