In the book "Life as We Knew It" the story follows a teenage girl who,
along with the rest of the country, witnesses a meteor hitting the moon
and knocking it out of orbit. Life on Earth changes quickly and drastically
as the tides take over and set off cascading devastation worldwide.
It’s a post-apocalyptic survivor story that weaves a tale of tough choices, daring
chances and narrow escapes.
Your password to the next step is the answer to this question:
The moon’s diameter is _____ miles. (round up to the nearest 10)