星系际牛顿引力场与壳定理
The intergalactic Newtonian gravitational field and the shell theorem
摘要：
2 MASS红移巡天（2 MRS）的发布包含44599个星系，可以在几乎完整的样本中推导出星系的质量。提取了一个边长为37 Mpc、包含2429个星系的立方体盒子，计算了盒子中心和101 × 101 × 101格点的牛顿引力场。然后根据球壳定理讨论了所得结果，该定理指出球内部的引力场为零。
英文摘要：
The release of the 2MASS Redshift Survey (2MRS), with it's 44599 galaxies allows the deduction of the galaxy's masses in nearly complete sample. A cubic box with side of 37 Mpc containing 2429 galaxies is extracted and the Newtonian gravitational field is evaluated both at the center of the box as well in 101 x 101 x 101 grid points of the box. The obtained results are then discussed at the light of the shell theorem which states that at the internal of a sphere the gravitational field is zero.
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