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Hubble Images Milky Way’s Big Sister

Dragon
Dragon
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Hubble Images Milky Way’s Big Sister Empty Hubble Images Milky Way’s Big Sister

Post by Dragon Tue Jul 31, 2018 6:43 pm

Hubble Images Milky Way’s Big Sister Potw1830a
Image credit: ESA/Hubble & NASA; acknowledgment: Judy Schmidt

This image taken by the NASA/ESA Hubble Space Telescope’s Wide Field Camera 3 (WFC3) shows a beautiful spiral galaxy called NGC 6744. At first glance, it resembles our Milky Way albeit larger, measuring more than 200,000 light-years across compared to a 100,000-light-year diameter for our home galaxy.

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Hubble Images Milky Way’s Big Sister 334pu7m
Dragon
Dragon
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Hubble Images Milky Way’s Big Sister Empty Re: Hubble Images Milky Way’s Big Sister

Post by Dragon Tue Jul 31, 2018 6:44 pm



One difference between NGC 6744 and the Milky Way is their size. While our galaxy is roughly 100 000 light-years across, the galaxy pictured here extends to almost twice this diameter.

Nevertheless, NGC 6744 gives us a tantalizing sense of how a distant observer might see our own galactic home.


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