star target detecting 恒星目标检测
Data for target star 被掩星资料
magnitude of target star 被掩星目视星等
target star 目标星
Given realistic propulsion options, and the requirement that the spacecraft can slow down to orbit its target, the target star cannot be more than 15 light-years from Earth.
根据实际的推进选择,以及航天器能够减速以环绕其目标公转的需要,目标恒星不能离地球超过15光年。
The specific target star has not yet been selected, but its choice will be narrowed by a number of factors.
目前尚未确定某颗目标恒星,但已经将选择缩小到几个因素上了。
Although studies of the interstellar medium do not depend on the precise choice of target star, the other scientific objectives clearly require that the target star has a planetary system.
虽然星际媒介的研究并不依赖于目标恒星的特定选择,但其他的科学目标明显需要目标恒星有着一个行星系统。
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