In the 1700s there was an experimental period around the around the string instruments such as the viola
. At that moment instrument producers discover how to create more tension in the strings in order to obtain a major ability in the play of the instrument, the fact represented a great revolution since it established the beginning of the changing process for the viola that became bigger through as the years went by, changing also the way to hold the instrument for a better performance of musicians.
<span>Among the planets, Jupiter has the strongest gravity because it has the most </span><span>mass. If you mean the strongest "surface gravity", the answer is again Jupiter.</span>
