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1£®When was the Hubble Space Telescope launched into orbit?

A£®Some 300 years later.

B£®The first telescope was angled at the night sky.

C£®Almost 400 years after the first Earth­based telescope was invented.

D£®In 2016.

2£®Which one can not be seen by ordinary telescope?

A£®Subatomic particles.

B£®Galaxies.

C£®Stars.

D£®Images of the universe.

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