How Big, Fast, and Strange Is Our Galaxy?

Описание: Think you know the Milky Way? Think again! Our home galaxy is filled with mind-blowing surprises—from its massive size to the billions of stars racing through it at unimaginable speeds. The Milky Way stretches over one hundred thousand light-years across, containing over two hundred billion stars, and is home to countless cosmic phenomena. Did you know that our Solar System is orbiting the center of the galaxy at an astounding speed of eight hundred thousand kilometers per hour? And it takes an incredible two hundred twenty-five million years to complete one full revolution!

But that’s not all—our galaxy is dynamic and ever-changing. In about four billion years, the Milky Way is expected to collide with the Andromeda galaxy, merging into a new, even bigger galaxy! At the very heart of the Milky Way lies a supermassive black hole, Sagittarius A, which has a mass equal to four million suns. This black hole plays a crucial role in the structure and behavior of the galaxy.*

The Milky Way is truly a cosmic wonder, full of mysteries waiting to be explored. From its violent past, where stars collided and formed new ones, to the deep unknowns that scientists continue to unravel, there’s so much more to learn about this magnificent galaxy. Join us as we uncover more about the universe we call home!


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