✨The universe is estimated to be 13.8 billion years old.
🌌Only 5% of the universe is visible matter, while the remaining 95% is dark matter and dark energy.
🌟The universe contains over 100 billion galaxies, each with billions of stars.
🔭The observable universe is constantly expanding due to the force of dark energy.
🔥Black holes are incredibly dense objects with gravitational forces so strong that nothing, not even light, can escape them.
How old is the universe?
—The universe is estimated to be 13.8 billion years old.
What is dark matter and dark energy?
—Dark matter and dark energy are mysterious substances that make up 95% of the universe and have unknown properties.
How many galaxies are there in the universe?
—There are over 100 billion galaxies in the universe.
What is the observable universe?
—The observable universe is the part of the universe that we can see from Earth.
What is a black hole?
—A black hole is a region of space with extremely strong gravity from which nothing can escape, not even light.
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