They discovered almost 800 Cepheid variable stars, a special class of pulsating star used for accurate distance measurement.
他们发现了差不多800个造父变星，一种用于准确测量距离的特殊变星。
After blinking and measuring, two flare stars and 15 variable stars are found.
经过闪视和测量，共发现两颗新耀星和15颗新变星。
From 1946 to 1948 he once again went to the United States to study variable stars.
1946年至1948年张钰哲去美国做访问学者，研究变星。
You can split scores of colorful double stars and spend years following the fadings and brightenings of variable stars.
你可以分解那些五颜六色的双星并且可以花费数年的时间来追踪变星的亮度变化。
The SHOES team used Hubble's Near Infrared Camera and Multi-Object Spectrometer (NICMOS) and the Advanced Camera for Surveys (ACS) to observe 240 Cepheid variable stars across seven galaxies.
SHOES团队使用哈勃望远镜的近红外相机和多目标光谱仪(NICMOS)、高级巡天相机(ACS)观测了综括7个星系的240颗造父变星。
The SHOES team used Hubble's Near Infrared Camera and Multi-Object Spectrometer (NICMOS) and the Advanced Camera for Surveys (ACS) to observe 240 Cepheid variable stars across seven galaxies.
SHOES团队使用哈勃望远镜的近红外相机和多目标光谱仪(NICMOS)、高级巡天相机(ACS)观测了综括7个星系的240颗造父变星。
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