Page 87 - Grasp English C1+ (Workbook)

Cosmology 9

Reading and Vocabulary

A. Discuss with a partner.
1. Have you ever used a telescope to stargaze?
2. Can you name the planets of the solar system in English?
3. Do you know when and why Pluto was demoted from planet to dwarf planet?
4. How important do you think it is for scientists to learn about our solar system and the rest of the universe?

B. Complete the sentences with the words in the boxes. Use a dictionary to help you.

asteroid belt celestial launch rudimentary gravity telescope orbit probe

1. The on the moon is one-sixth that of Earth.
2. The first to successfully land on the moon was Luna 2, sent by Russia in 1959.
3. It takes the moon approximately 28 days to Earth.
4. The between Mars and Jupiter is thought to measure 140 million miles in width.

5. The largest object discovered so far is a black hole 3.5 billion light years from Earth.
6. The Hubble Space was sent into space in 1990.
7. Scientists had hoped to Hubble in the early 1980s, but there were technical delays.
8. You can make a telescope at home with a tube and two curved pieces of glass.

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