55 Cnc A and 55 Cnc B Spirou RV and Bl
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One of the first exoplanet hosts, discovered about thirty years ago, the star 55 Cnc has been continuously observed ever since. It is now known to host at least five planets...
巨蟹座55（55 Cnc）是首批被发现的系外行星（exoplanet）宿主恒星之一，于约三十年前被发现，此后一直受到持续观测。目前已知该恒星至少拥有五颗行星……
