The reason for space is dark despite many stars shining
The expansion of the universe and the great distance between the stars make the space of the universe dark even with numerous stars shining.
Why is space in the dark? Maybe someone forgot to pay for electricity? Not so!
The space is dark and black is because our universe is expanding.
Our sun is a giant star. The amount of light it emits is huge. The universe has so many stars shining like the Sun, so much so that we are almost impossible to count. For so many stars, space should be lit, right? Exactly!
However, the reality is not so!
Research shows that space is dark and black, because our universe is expanding. This expansion causes visible light from emitted stars to stretch and to a certain distance, they cannot be observed.
When we don't detect any visible light, we will see that the space is dark. Moreover, light has a certain speed limit, while the universe is extremely large. Therefore, light from distant stars cannot even reach our eyes. Therefore, the space is dark.
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