A penumbral eclipse, sometimes called an appulse, occurs when the Moon misses the Earth's umbra but passes through its penumbra or secondary shadow. |
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The new system represents progress in terms of the appulse of the shear force sensor because the previous one might have misesteemed the shear force on the first and second metatarsal heads as the risk regions. |
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An appulse is a phenomenon caused by perspective only. |
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During Monday's stargazing event, observers have the chance to see what astronomers call an appulse — a very close approach of the moon to Jupiter. |
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