Five astrophotographers armed with hi-tech cameras and telescopes capture the night sky in spectacular images of sparkling constellations, blazing comets and shadowy eclipses for the viewers to experience the stars as never seen before. 一連五集的《天際無垠》，紀錄一眾致力拍攝星體和夜空的天文攝影師，如何運用高階攝影機、天文望遠鏡和露營器材，走遍地極「追星」，展現漆黑夜空前所未見、神奇壯麗的面貌。@TVB