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Bookmark or Share- Dark Energy Changes the Universe - NASA ScienceHubble observations suggest the dark energy may be Einstein's cosmological constant, an energy percolating out of the vacuum of the space between galaxies. The energy of the universe is dominated by empty space emitting a repulsive form of gravity that is pushing the universe apart.
- Dark Matter & Dark Energy - NASA ScienceBut there’s more to the universe than the matter we can see. Dark matter and dark energy are mysterious substances that affect and shape the cosmos, and scientists are still trying to figure them out. Learn more.
- What is Dark Energy? Inside our accelerating, expanding UniverseSome scientists think that dark energy is a fundamental, ever-present background energy in space known as vacuum energy, which could be equal to the cosmological constant, a mathematical term in the equations of Einstein's theory of general relativity.
- Shining a Light on Dark Matter - NASA ScienceThese ghostly forms of energy and matter are only detectable by the effects they have on the stuff we can see. The invisible form of matter, called dark matter, makes up roughly 30% of the universe’s total mass.
- Building Blocks - NASA ScienceDark matter and dark energy are mysterious substances that affect and shape the cosmos, and scientists are still trying to figure them out. The universe is made up of three components: normal or visible matter (5%), dark matter (27%), and dark energy (68%).
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