Alaska Aleutian Islands 180th meridian easternmost westernmost

Alaska is both the easternmost and westernmost state

Alaska’s Aleutian Islands stretch across the 180° meridian, placing part of the state in the Eastern Hemisphere. That is why Alaska is both the westernmost and easternmost U.S. state.

The Sun and Moon nearly match in size

The Sun and Moon appear nearly the same size in Earth’s sky because the Sun is about 400 times wider but also about 400 times farther away. This alignment allows both total and annular solar eclipses.

Ravens may hide food based on what another raven can see

Ravens protect hidden food when a stronger rival can watch them. They also protect it when they can hear the rival nearby through a small opening but cannot see it directly. This suggests they may keep track of what another raven is able to see.

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Alaska Aleutian Islands 180th meridian easternmost westernmost

Alaska is both the easternmost and westernmost state

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