prewar Warsaw Jewish population 30 percent

Jews made up nearly a third of prewar Warsaw

Before World War II, Jews made up about 30% of Warsaw’s population. The city had the second-largest Jewish population in the world, after New York.

Total solar eclipses will not last forever

Hundreds of millions of years ago, eclipses could only be total. The Moon’s orbit is slowly carrying it away from Earth, while the Sun’s apparent size grows. Eventually, the Moon will no longer cover the Sun completely.

A fully eclipsed Moon can appear at sunrise

During a total lunar eclipse, the Sun and fully eclipsed Moon can appear above opposite horizons at once, just after sunrise or before sunset. Air bends their light, making both appear higher in the sky. This sight is called a selenelion, not a separate celestial event.

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prewar Warsaw Jewish population 30 percent

Jews made up nearly a third of prewar Warsaw

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