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<p>ability to maintain attitude (orientation) and thus potentially cause a mission failure. Recent studies conclude that these failures can be correlated with <a href="page.php?w=space_weather">space weather</a> effects. These events probably caused failures by inducing <a href="page.php?w=electrostatic_discharge">electrostatic discharge</a> in the steel <a href="page.php?w=ball_bearing">ball bearing</a>s of <a href="page.php?w=Ithaco">Ithaco</a> wheels, compromising the smoothness of the mechanism.  Supporting this hypothesis, newer reaction wheels</p><p>
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