Sent_en: 2zh The planets are too far away to be observed directly with current technology, but by measuring the spectra of each planet when visible with its star, and again when the planet was hidden behind its star, the teams were able to determine the measurements of the planets spectra.
Sent_yy: 这些行星距离太远，目前的技术无法直接观测到，但是通过测量每颗行星在其恒星可见时的光谱，以及当行星隐藏在其恒星后面时，研究小组能够确定这些行星光谱的测量值。