1) Eyeballed 2) Eyed with eagerness 3) Looked 4) Looked a long time 5) Looked intently 6) Looked longingly 7) Looked steadily 8) Peered 9) Stared at stars 10) Stared at the sky 11) Stared blankly 12) Stared fixedly 13) Stared out the window 14) Stared studiously 15) Took a long look 16) Used a telescope Found on https://www.crosswordclues.com/clue/gazed