Complete the sentences with the words from the box. Use each word once only.

The mission not only taught NASA about Venus, but also how to__________ a spacecraft far from Earth.

As soon as the spacecraft________ into space, the crew started to observe the sun.

Christer Fuglesang said he enjoyed floating around in the _____ environment.

The launch of the Space Shuttle Endeavour _____ broadcast live this morning.

Last week they visited a museum. The first artificial satellite is on display there.

→ Last week they ___________________________________________

The Milky Way is just a ______ in the universe and it contains our Solar System.

Choose the correct option A, B, C, or D to complete the sentences.

The first _______ was done by Alexei Leonov, a Russian cosmonaut on March 18th, 1965. It was 10 minutes long.

Join each pair of sentences into one, using the prompts provided.

We are meeting an astronomer tonight. This astronomer has discovered three Earth-like planets.

→ The astronomer ___________________________________________.