Boosters
A long, white solid rocket booster burns as the space shuttle launches into orbit

A space shuttle solid rocket booster is shown burning as it helps Discovery launch into orbit on July 4, 2006. Image Credit: NASA

      engines or motors that give extra power to a rocket



Sentences:
The two solid rocket boosters give the space shuttle the power it needs to launch.

The two white tubes on the shuttle are the solid rocket boosters.



More Information:
http://www.nasa.gov/images/content/110687main_srb_diagram.gif
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