viernes, 9 de noviembre de 2012

Stars

A star is a masive ball of hot gas that gives off heat and light. Almost all stars are much larger than Earth. Our nearest star is the Sun, is 150 million km away.

Fact:Earth´s second nearest star, Alpha centauri C, is 4.21 light years away.

information founded in the book: Space (usborne discovery)

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