In 1929, Edwin Hubble found that the universe is expanding. This discovery is known as Hubble’s Law of Cosmic Expansion.
Hubble’s Law is based on the observation that the farther away a galaxy is from Earth, the faster it appears …
In 1929, Edwin Hubble found that the universe is expanding. This discovery is known as Hubble’s Law of Cosmic Expansion.
Hubble’s Law is based on the observation that the farther away a galaxy is from Earth, the faster it appears …