Date of discovery: August 22, 2016
Link image: http://stereo-ssc.nascom.nasa.gov/cgi-bin/images
Something unusual has been detected on the Stereo-A Spacecraft on August 22, 2016 and appears to be on a heading directly in the path of planet earth, according to MrMBB333 of Youtube. ''At this time it is unknown what this is and why it appears to be moving right at earth!''
