The benefits of space
exploration
In the last fifty years, man has
changed 1. ____ being a passive observer of space
to being 2. ____ active explorer. This has allowed
us to gain a new understanding of 3. ____ planets
which are nearest to us, and 4. ____ origin and
nature of the universe. It has also made us ask completely new
questions about 5. ____ things.
At the same time, space exploration
has caused an expansion in technology, particularly because space
vehicles have to be safe. 6. ____ means that
new materials have been developed 7. ____ are
able to resist high temperatures at take off and landing. These
materials have since been used in all sorts of other places, from
8. ____kitchen to public transport.
9. ____are
other benefits of man's activity in space, for example our ability
to observe the Earth from a distance. Using satellites we can
observe and analyse 10. ____ composition and
watch the weather. We can therefore see 11. ____
is happening all over the world at any one moment, and also predict
what 12. ____ happen in the future. 13.
____ allows us to warn people about imminent natural
disasters so that 14. ____ can protect themselves
from 15. ____ . We can also observe the effects
of human activity on the environment.