• And,the professor suspects that early humans liked ivory flutes more because the instruments produced a deeper,richer sound.

    VOA: special.2009.08.18

  • In his research paper, Hubble said the issue could be decided only by more powerful instruments.

    VOA: special.2009.04.29

  • The telescope recently received new equipment and instruments to make it even more powerful.

    VOA: special.2009.09.30

  • Then he added more musicians and instruments from other countries.

    VOA: special.2009.07.31

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