The image showcases two of ancient Egypt’s most sophisticated astronomical instruments: on the left, a finely crafted water clock, known as a clepsydra, adorned with hieroglyphs; on the right, a merkhet, an ingenious device combining a plumb line and a wooden bar for star alignment. These tools exemplify the ingenuity and precision of ancient Egyptian astronomers, serving as a testament to their advanced skills in timekeeping and celestial observation, pivotal in their quest to comprehend the cosmos and its cycles.