Is anybody out there?

Article Abstract:

American astronomer, Guillermo Gonzalez, has suggested that over 95% of the stars in our galaxy are unable to support life because of their location. Gonzalez believes that complex life like our own could be unique to earth. Issues concerning the factors that make our sun able to support life are presented.

Column, Observations, Life on other planets, Extraterrestrial life, Sun, Gonzalez, Guillermo

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They come from outer space

Article Abstract:

Scientists are taking seriously the possibility that an asteroid could collide with the Earth. So far, 291 potentially dangerous asteroids have been confirmed, but scientists believe that there are 750 to 1,100 near-Earth asteroids larger than 1 km.

Asteroids

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One giant peep for mankind

Article Abstract:

One of the three candidates for Nasa's Discovery Programme is the Kepler space telescope. If chosen, Kepler will be lifted by Delta II rockets into its own orbit around the Sun.

Government domestic functions, Space Research and Technology, Natl Aeronautics & Space Admin, Space Sciences, Planning, Discovery and exploration, Outer space, Space exploration, United States. National Aeronautics and Space Administration

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