They dubbed these features in Saturn's B ring "spokes" because they looked like bicycle spokes.
之所以把这些土星B环上小云团称为“轮辐”是因为他们看上去很像自行车车轮上的辐条。
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Until this week Saturn's small moon Rhea was the only known solid space object thought to have a ring. (Other known ringed bodies, such as Saturn, are mainly gaseous.)
With his 20-power telescope and with his eyes in bad shape he might have mistaken Saturn's gaseous ring to surmise that it was formed of one planet with two moons as satellites.