satellite galaxies

James Webb Space Telescope Sees Ancient Black Hole Dancing With Colliding Galaxies

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Using the James Webb Space Telescope (JWST), astronomers have observed the dramatic “dance” between a supermassive black hole and two satellite galaxies. The observations could help scientists better understand how galaxies and supermassive black holes grew in the early universe. This particular supermassive black hole is feeding on surrounding matter, powering a bright quasar that … Read more

Scientists have finally found 2 of the Milky Way’s missing satellite galaxies. What could this mean for astronomy?

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Astronomers have discovered two new satellite galaxies of the Milky Way. The findings could help us better understand dark matter: the mysterious stuff that makes up about 85% of the matter in the universe, but remains essentially invisible to us. The discoveries also bring scientists one step closer to solving a persistent problem with the … Read more