Four out of every 100 sunlike stars doesnt sound like a big number. It would mean, however, that the Milky Way could host more than a billion Earth-sized planets with a change for life.
16. The Kepler space telescope has been in service for 15 years.
A. Right B. Wrong C. Not mentioned
答案:C
17. The main task of the Kepler space telescope is to find out planets with similar conditions to Earths.
A. Right B. Wrong C. Not mentioned
答案:A
18. The planet that could support life might be a little bit smaller than Earth.
A. Right B. Wrong C. Not mentioned
答案:B
19. The Earth is planet orbiting in the Suns habitable zone.
A. Right B. Wrong C. Not mentioned
答案:A
20. The new finding is based on a thorough study of 170,000 stars in the Milky Way.
A. Right B. Wrong C. Not mentioned
答案:B
21. The estimate of the number of planets that could support life is not very accurate.
A. Right B. Wrong C. Not mentioned
答案:A
22. This is the first research finding about the planets with a chance for life.
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