Reading Comprehension

could have been much worse

was huge

. was greatly reduced by the early warning system

was much worse than the one in Siberia one hundred years ago

. hit a forest

. hit a big city

. caused glass to shower over people

. damaged trees when it exploded

there was another, related, asteroid event

there was another, unrelated, asteroid event

scientists realised that an even bigger asteroid could hit Earth

. scientists issued a warning for 2046 

had been predicted by scientists

. came as a surprise

. was too small to worry about

will come close to Earth again in the future

wipe out all animal life, leaving only plants

kill a significant proportion of the Earth's human population

put an end to all plant and animal life on Earth

cause as much damage as the Hiroshima bomb

can still cause a lot of damage

. is not a problem if it is spotted early

cannot cause any significant harm d. is actually more dangerous than a larger one

is actually more dangerous than a larger one

pure luck

luck and the protective force of another planet from our solar system

early warning systems set up by NASA

. luck and our position in relation to the sun

it is impossible to monitor all the potential hazards

we are not in any danger for the moment

a meteorite is likely to hit Earth sooner or later

their early warning systems will protect us

injured

flattened 

struck

wiped out

flattened

cross

cross 

cause

spot

wiped out 

injured

monitor