听力文本

A 2015 image from the Hubble Space Telescope reveals a faint moon orbiting the dwarf planet Makemake.
通过哈勃空间望远镜，科学家于去年发现卫星环绕矮行星鸟神星_t59dd*IpROuRjW。
The moon was spotted as a dark smudge orbiting Makemake.
昏暗模糊的卫星正环绕鸟神星GLRhd0fU,t3DH9)。
Researchers estimate that the moon is roughly 160 kilometers wide;
据研究人员预测，该卫星直径约160千米；

its home world, by comparison, is about 1,400 kilometers across.
而相比较而言，鸟神星直径约1400千米.fWFp13-6o^U+P3P_-。
The moon’s motion can help researchers determine the mass of Makemake,
通过卫星轨迹，研究学家可以对鸟神星的质量进行进一步计算，
one of the largest known bodies in the Kuiper belt.
鸟神星也是已知柯伊伯带中体积最大的天体lzAwE2R)c,rIe)。

译文属可可英语原创，未经允许，不得转载)-^F3y&+51;DKkLG。

词语解释

1.dwarf planet 矮行星

例句：One was a decision to name Pluto are a dwarf Planet.
一个是冥王星被命名为矮行星ZDnHihLw;uTe。

2.by comparison 比较起来

例句：By comparison, expenditure on education increased last year.
相比之下，去年教育经费增加了,A;qcJCzRRe.,FD0y+Vs。

3.Kuiper belt 柯伊伯带

例句：Kuiper belt comet has water that matches ours, study says.
研究表明，柯伊伯带上的彗星拥有与我们相似的水xGoKx5)8g~oU3Na。

4.Hubble Space Telescope 哈勃空间望远镜

例句：The Hubble Space Telescope has taken photos of the Helix Nebula.
哈伯天文望远镜拍下了螺旋星云的照片%NvB_f)IeM3。