Question

When was Earth formed in relation to the origin of the universe?

Options

• Earth was formed about 4 billion years ago

• Earth was formed about 13.8 billion years ago

• Earth was formed about 4.5 billion years ago

• Earth was formed about 500 million years ago

Answer 1

Earth was formed about 4.5 billion years ago in the solar system of the Milky Way galaxy. This occurred approximately 9.3 billion years after the Big Bang, and life appeared on Earth approximately 500 million years after its formation, or almost 4 billion years ago.