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География Read and translate the dialogue. Reproduce it
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Ask questions to which these sentences are the answers

Fill in the blanks with the suitable words from the text

Say whether the following statements are true or false

1. Galaxy is a great star system.

2. Our own galaxy, the Milky Way, is classified as an elliptical galaxy.

3. Seventeen galaxies of a supergalaxy are concentrated within a radius of about one million kilometeres.

4. The Solar System consists of the sun, its nine planets and a variety of smaller bodies.

5. The sun’s temperature is equal at its surface and at its core.

6. The sun is almost entirely solid.

7. Of all nine planets Pluto is closest to the sun.

8. Asteroids are small masses of solid particles, held loosely together.

9. There exist several hypotheses of the origin of the Solar System.

1. Of all nine planets Mercury is ………. to the sun .……... by Venus, Earth, Mars, ..…….., Saturn, Uranus, Neptune and Pluto in that order.

2. The ………. planets are closer together and the ………. ones are farther apart.

3. The planets ………. around their axes and ………. around the sun in elliptical ………. determined by the force of ………. .

4. The ………. diameter of ………. is about 7 billion miles.

5. As to the ………. of the Solar System there exist several hypotheses.

6. The ………. theory suggested that the planets are formed of material torn away from ………. by the action of another star.

1. The Universe as we view it today is made up of at least a billion aggregations of stars called galaxies

2. Yes, there may be millions of star systems like our own in the universe.

3. The approximate age of our Solar System as determined by the radioactive method is about 4,5-5 thousand million years.

4. The planets rotate around their axis and revolve around the sun.

5. No, Neptune isnt the farthest planet to the sun. It’s Pluto.

6. According to the “catastrophic” theory the planets were formed of material torn away from the sun by the action of another star.

7. Our Solar System is believed to have originated from an immense cloud of gas and dust.

8. Stars differ in surface temperature that’s why they are of different colour: white, blue, yellow and even red.

1. Галактики различаются по форме и структуре. Млечный Путь - ϶ᴛᴏ спиральная галактика.

2. Солнечная система - ϶ᴛᴏ крошечная частица всœелœенной. Она состоит из солнца, планет, спутников, космической пыли.

3. Структура солнца газообразная. Преобладающий газ – водород.

4. Солнечная система включает 31 спутник планет (не считая искусственных спутников Земли).

5. Астероиды - ϶ᴛᴏ малые планеты, размером от 1 мили до 300 миль.

6. Небулярная теория предполагает образование небесных тел путем концентрации космического вещества.

A.: Did the sun and the planets form at the same time?

B.: You see, there exist several concepts of the origin of the solar system. Some of them suggest that the sun and the planets originated at the same time from a tremendous cloud of gas, mostly hydrogen and cosmic dust.

A.: And what do other hypotheses suggest?

B.: Other hypotheses suggest that the planets are younger than the sun, that first the center of the cloud condensed and became a star – the sun, and then various densities gave birth to the planets.

A.: I see.

B.: But it must be said that there is still no generally accepted theory to explain how and when the sun and the planets formed.