4 *Complete the text about life on other planets. 1 What does a 'planet need to support life? Earth is our model. To have the right , with the right temperature, it needs to be not too near and not too far from the Sun. It must also be big enough to have gravity to stop the gases in its from escaping into to protect life from radiation and allow it to breathe. has this, but our nearest neighbour, is too small to have an atmosphere. For a planet to have life, it needs liquid water, probably in large or seas. So could there be life on other planets? Almost certainly!contains billions of stars, and many are suns like ours. In fact, the NASA Kepler telescope has already found one planet, K452b, which seems to have all these things. It has a 385 day year and so each day has a similar and to our own, but it's 1,400 light years away! 7 or and 10
