alternating colors flashing sphere seen in early morning skyRed green white flashing between colours sphere in southeast sky heading west then later spotted heading east. Then changed directions again from east to west and back to east again. While watching sphere. A plane or what looked like a plane headed toward flashing sphere. Sphere lights seem to die down a bit and possible plane change altitude to fly low under sphere after plane passed and was a distance away sphere light got brighter again. Could the flashing sphere been a weather balloon?((NUFORC Note: Possibly a "twinkling" star? PD))((NUFORC Note: Witness elects to remain totally anonymous; provides no contact information. PD))