The universe is estimated to be around 13.8 billion years old, and it contains at least 100 billion galaxies.
The largest known structure in the universe is the Hercules-Corona Borealis Great Wall, a massive cluster of galaxies that is estimated to be around 10 billion light years away.
The closest star to our solar system is Proxima Centauri, which is located around 4.24 light years away.
The largest planet in our solar system is Jupiter, which is also known for its iconic Great Red Spot, a giant storm that has been raging for centuries.
The smallest planet in our solar system is Mercury, which is also the closest planet to the sun.
The first person to travel to space was Yuri Gagarin, a Soviet cosmonaut who orbited Earth on April 12, 1961.
The International Space Station (ISS) is a habitable satellite in low Earth orbit, which has been continuously occupied by humans since November 2000.
Black holes are incredibly dense regions in space where the gravitational pull is so strong that not even light can escape.
The Milky Way, the galaxy where our solar system is located, is estimated to contain between 100 billion and 400 billion stars.
The Big Bang theory is the prevailing scientific explanation for the origin of the universe, which suggests that the universe began as a singularity and has been expanding ever since.
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