Space exploration

The sudden flash of light in the night sky was caused by a .......... (METEOR) fireball.

The medicine is still being tested and will not go into ... production for at least two years.

• industrial

• commercial

• terrestrial

• gravitational

Which of the following words can be both a noun and a verb? Choose ALL correct answers.

• launch

• sustain

• stargaze

• orbit

Orbiter is a space flight ...... game that contains very realistic space physics.

• simulation

• stimulation

• simulator

• similar

If there are ..... civilizations out there then where are they?

• toxic

• weightless

• extraterrestrial

• feasible

Why go to the ..... of installing something you'll never use?

• expense

• horizon

• expenditure

• fascination

Space travel was once ..... the realms of possibility.

• above

• on

• over

• beyond

More time will be needed for the troops and equipment to become ...... (CLIMATE) to desert conditions.

A space telescope beyond the moon could use Earth's atmosphere as a lens to ....... the light of distant objects by 22,500 times.

• broaden

• magnify

• zoom in

• widen

The government is ..... £10 million for health education.

• allocating

• undergoing

• rotating

• contemplating