Debate and switch? Biden’s stumble
Economist Podcasts
The Universe: A Mixture of Dark Matter and Dark Energy
The universe consists of primarily dark matter and dark energy. Dark matter, which makes up 27%, behaves like real matter by exerting gravity and attraction. On the other hand, dark energy, accounting for 68%, operates oppositely by causing expansion rather than attraction. This leaves only 5% for all known matter, making it a tiny fraction in the grand scheme of the universe.
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