Question

How many years download earth data any alien​

Answer 1

Answer:

1.8 billion years to download earth data

Right answer

Answer 2

Explanation:

The exhibit was developed by the Space Science Institute and sponsored by NASA and the National Science Foundation. It travels the country, often appearing at local science centers, and sheds light on what it will take to discover new life forms, how planets and stars are formed, and how they are located and identified.