WONDER #1235: How Many Worlds Are There?

Question 1 of 3

The galaxy Earth is part of is called the what?

1. Milky Way
2. Universe
3. Snickers
4. Kepler

Question 2 of 3

<p class=\"FreeForm\">In 2009, scientists launched what to look for Earth-like planets around other stars?</p>

1. Mars Rover
2. Hubble telescope
3. Kepler telescope
4. space shuttle

Question 3 of 3

<p class=\"FreeForm\">Recent studies have led scientists to believe that there could be as many as how many Earth-like planets in the Milky Way galaxy?</p>

1. 7
2. 5 million
3. 365 trillion
4. 40 billion

Check your answers online at https://www.wonderopolis.org/wonder/how-many-worlds-are-there.