Fact with fun

The diameter of the celestial object circled below is 220000 light years. This means that if you travel at the speed of light, you will traverse from one edge to the other through the centre in 220000 years. And that is a speed of 300000000m/s or 300000km/s.
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The object is none other than the Andromeda galaxy as seen at night with the unaided eye. It’s our nearest galaxy.
Below is an image of the galaxy seen using a telescope.
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