ALIEN DEATH STAR?

THIS IDEA CAME FROM JASON WRIGHT,PENN STATE UNIVERSITY PENNSYLVANA,AMERICA HE THINKS THAT ALIENS ARE HARNESSING SOLAR ENERGY RAYS similar TO DEATH STAR IN STAR WARS.THIS CAME FROM STUDIES OF DATA FROM N.A.S.A KEPLER TELESCOPE SHOW LIGHT FROM THE SUN KIC 8462852 KEEPS  GETTING BRIGHTER BEFORE DIMMING BY 22 PER CENT.THE STAR IS  1,480 LIGHT YEARS AWAY AND IF DEATH STAR? EXISTED IT WAS BUILT IN 500AD .BUT THIS COULD BE A HUGE DUST CLOUD?