When Rocco looks up at the night sky, he ponders about the millions, billions, and trillions of stars in the universe. What number term comes directly after a trillion?
Everyone knows atoms make up the basic units of our world. But did you know atoms did not exist in the universe until 380,000 years after the Big Bang? This is because the universe was not cool enough for sub-atomic particles to “stick” together to form atoms. Neat, huh?