Is it possible expansion is slowing not accelerating? The galaxies have the luxury of no resistance in a vacuum, but are neither being pushed or pulled. Galaxies acceleration ( due to gravitational attraction ) is towards each other. Eventually shouldn't outward expansion halt !
What mysteries lurk in the center of our galaxy? #NASAWebb will use its infrared vision to reveal swarms of small stars looping lazily around a giant black hole - and may catch the faint glow of matter spiraling into the black hole: https://go.nasa.gov/30YFrYc (Image: @NASAspitzer)pic.twitter.com/qClOi9CkRe
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What about dark energy? The more empty space there is, the more dark energy is produced.
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