Read 1-6. Then listen again and complete the sentences with information from the podcast.

1. In four billion years, our sun will be about _____ hotter.

2. You can’t hear music or voices in space because it’s a _____.

3. The presenter mentions a video of an astronaut playing the guitar in the_____.

4. The meteor in 2015 was _____  miles from Earth.

5. The meteor was travelling at _____ kilometres an hour.

6. _____ are more dangerous an than sharks they kill _____ people a year.