21.   The debris becomes the stuff of interstellar dust, new planets and life itself.

22.   The good news is that astronomers have just discovered two new planets orbiting Sun-like stars that may have intelligent, even patch-free life.

23.   The new planets often reported in January and June cannot actually be seen, even by the orbiting Hubble Space Telescope.

24.   The new planet most likely consists of little more than a ball of gas, mostly hydrogen and helium, scientists said.

25.   The other new planet is below freezing at its surface but is likely to have a zone deeper inside where water clouds should exist, Butler added.

26.   The third possible new planet was reported by Christopher Burrows of the Space Telescope Science Institute in Baltimore.

27.   The two new planets are much larger than Earth, and while life is possible there, scientists said the chances are slim.

28.   Then, to boggle our minds further, eminent astronomers also announced the discovery of a few new planets revolving around distant stars.

29.   They can discover, colonize or conquer new planets or research and develop newer, faster spacecraft and more powerful weapons.

30.   They describe them as a new kind of giant planet.

a. + planet >>共 253
red 6.29%
different 6.04%
distant 5.67%
giant 4.69%
new 4.32%
extrasolar 3.70%
entire 3.45%
whole 2.96%
the 2.10%
home 2.10%
new + n. >>共 1218
government 2.04%
law 1.71%
rule 1.20%
technology 1.10%
company 0.99%
system 0.93%
product 0.92%
one 0.87%
job 0.82%
election 0.74%
planet 0.01%
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