The whispers began a few weeks ago, with reports coming from the team monitoring the Cassini spacecraft, which has been orbiting Saturn and barnstorming its moons since 2004.

议论开始于几周以前“卡西尼号”土星探测器科学小组发布的报告，“卡西尼”自2004年起就开始环绕监测土星以及其卫星。