‘Dark dwarf’ galaxy spotted ten billion light years away

“But if you look at the Milky Way we only find 30, so it’s important to
understand how many satellites are really there, and important to look at
other galaxies other than the Milky Way.”

This would help scientists understand more about how galaxies were formed.

Dark matter is so named because it does not interact with light and therefore
cannot be seen directly.

But it does make up 85% of mass in the universe, and the effects of this mass
magnifying and distorting light from far-away sources can help scientists
identify it using computer models – in the technique known as gravitational
lensing.

Earlier this month, the most extensive map of dark matter ever produced
revealed a “cosmic web” stretching through outer space.

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