Fact 1: The universe is about 13.8 billion years old, formed after the Big Bang.
Fact 2: There are at least 100 billion galaxies, each with millions of stars.
Fact 3: The observable universe is about 93 billion light-years in diameter.
Fact 4: Dark matter and dark energy make up about 95% of the total universe.
Fact 5: The universe is expanding at an accelerating rate, stretching space itself.
Fact 6: The closest galaxy to us, Andromeda, is on a collision course with the Milky Way.
Fact 7: The cosmic microwave background radiation is the afterglow of the Big Bang.
Fact 8: The universe has no center; every point is moving away from every other point.
Fact 9: Black holes are regions of space where gravity is so strong, not even light can escape.
Fact 10: The first stars formed about 100 million years after the Big Bang.