Hubble News 9月02日



   ハッブル宇宙望遠鏡で見た、ヒックソン・コンパクト・グループ87 (HCG 87)として知られているこの4つの銀河の一座は、彼らの間の相互重力作用で複雑に振付けられたダンスを演じています。




A Minuet of Galaxies

As seen by the Hubble Space Telescope, this troupe of four galaxies, known as Hickson Compact Group 87 (HCG 87), is performing an intricate dance orchestrated by the mutual gravitational forces acting among them. The dance is a slow, graceful minuet, occurring over a time span of hundreds of millions of years. The Wide Field and Planetary Camera 2 on NASA's Hubble Space Telescope provides a striking improvement in resolution over previous ground-based imaging.


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