Complete the text about life on other planets.

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. 5

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 har

8

DO

vlinkova4    2   19.12.2021 06:53    0