The benefits of space
exploration
In the last fifty years, man has changed 1.___from___
being a passive observer of space to being 2.___an___
active explorer. This has allowed us to gain a new understanding
of 3.___the___ planets which are
nearest to us, and 4.___the___ origin
and nature of the universe. It has also made us ask completely
new questions about 5.___these___
things.
At the same time, space exploration has caused an
expansion in technology, particularly because space vehicles have
to be safe. 6.___This______ means
that new materials have been developed
7.___which______ 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.___the___
kitchen to public transport.
9.___There______ 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. ___its___ composition
and watch the weather. We can therefore see 11.___what______
is happening all over the world at any one moment, and
also predict what 12. ______will/may/might___
happen in the future. 13.___This___
allows us to warn people about imminent natural disasters so that
14.___they___ can protect themselves
from 15.___them___ . We can also
observe the effects of human activity on the environment.