ScienceCast 177: Total Eclipse of the Moon

published 6 years ago

Total eclipse of the moon presented by science at NASA. It's deja vu all over again. For the third time in less than a year sky watchers in the United States can see a total eclipse of the moon. The action begins at 3:16 AM Pacific daylight time on the morning of April 4. When the edge of the moon first enters the amber core of earth's shadow. For the next hour and 45 minutes earth shuttle will move across the lunar disk. Ultimately covering the entire moon at 4:58 AM Pacific. East of the Mississippi River the eclipse will be interrupted by sunrise. People can only see a partial eclipse. West of the Mississippi people can see the whole thing including totality. Totality is when the moon is fully inside earth's shadow. Some total eclipses last for more than an hour. In this case however totality spends just 4 minutes and 43 seconds ...

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