What is this flickering?

Well, I am doing a solar system, using large units. Well, there I put a point light middle of earth and sun, and it is working well, eclipses are happening. Now, it starts flickering and those black dots are coming. What is actually happening there? Is it my pc issue or any other??

Helpers from this forum usually ask users to provide a link to a fiddle or codepen that demonstrates the issue, which makes their helping the user easier.

It might be the large units and your textures that are creating dots.

Just for the sake of checking some other examples, maybe see the links in my post in this forum’s topic.

My post there includes a zip file, whose last version can actually be seen here, rather astronomically inaccurate but still looks good at least to me.

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Guess, I need to scale down my model, it contains unreasonably high values.
Thanks!

Just a wild guess, try reducing the camera far and increase the near.

Sharing a working sample, can be more helpful!

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I have done that, but no improvement.
Anyways I scaled down the model, this issue went off.
Thanks!

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