Keeping in mind that one light year is equal to about 6 trillion miles, the spiral disk of stars that is our Milky Way Galaxy spans 100,000 light years in diameter. The thickness of that disk, though, ...

Chinese astronomers have revealed new findings about the size of the Milky Way galaxy, suggesting it’s significantly larger than previously thought. Their research, published in the prestigious ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper read by one of his ...

At approximately 100,000 light years in diameter, the Milky Way’s vastness and the broader, ever-changing dynamics of the cosmos defy any attempt to fully understand our home galaxy and its history.

Space to Scale: The Milky Way. How big do you think the Milky Way galaxy would be if the Sun was 0.0015mm in diameter? Guess by posting in the comments before you see the answer! GOP‑appointed judge ...

August nights are some of the best of the year to see the Milky Way. With no moon in the sky in the coming week, try to get out of town and treat yourself and your family to one of nature's most ...

The Milky Way is not the calm, flat starry disk many of us learned about in school. Astronomers are now tracking a colossal, curling disturbance that ripples through our Galaxy’s disk, lifting and ...

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