(06万有引力与航天) 6 万有引力求比值(原卷)
万有引力求比值1、某深空探测器发现一星球的密度与地球的密度相同,若它表面的重力加速度是地球表面的重力加速度的6倍,则该星球的体积是地球体积的( )A.36倍B.216倍C.D.2、2019年1月3日上午10点26分,中国嫦娥四号探测器成功在月球背面软着陆,成为人类首次在月球背面软着陆的探测器,首次实现月球背面与地面站通过中继卫星通信。若已知地球和月球的半径之比,地球和月球表面的重力加速度之比,则地球近地卫星和月球近月卫星的运行周期之比为( )A.B.C.D.3、“嫦娥二号”卫星是在绕月极地轨道上运动的,加上月球的自转,卫星能探测到整个月球的表面。卫星CCD相机已对月球背面进行成像探测,并获...
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