73 questions and answers in this section

Natural Sciences » Astronomy

Explain why the moon changes shape every month?

Explain why the moon changes shape every month?

The Moon takes about 29.5 days to go through all its phases, which is called the lunar cycle. During this cycle, you can see different...

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Explain why the Mayans built pyramids astronomically aligned with the stars.

Explain why the Mayans built pyramids astronomically aligned with the stars.

For the Maya, the universe was a vast web connecting humans, gods, and celestial bodies. They believed that the sky reflected the earthly world and...

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Explain why the Assyrians considered the eclipse as an evil omen.

Explain why the Assyrians considered the eclipse as an evil omen.

The Assyrians were an ancient people who had beliefs and superstitions deeply rooted in their daily lives. They attached great importance to the gods and...

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Explain why the Great Bear is such a recognizable constellation?

Explain why the Great Bear is such a recognizable constellation?

The Big Dipper, also known by the nickname Great Casserole, owes much of its popularity to the surprisingly regular arrangement of its main stars. It...

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Explain why the night is dark despite the presence of billions of stars?

Explain why the night is dark despite the presence of billions of stars?

If the universe were infinite, eternal, and uniformly filled with stars, then every direction of the sky would be occupied by a star. The result? The night...

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Explain why does the rotation of the Earth influence the length of days?

Explain why does the rotation of the Earth influence the length of days?

Earth is a rotating planet, making one full rotation on its axis in about 24 hours, defining our day. This rotation movement occurs counterclockwise when...

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Explain why the moon appears to follow our car when we drive?

Explain why the moon appears to follow our car when we drive?

When we drive and look at the Moon, it feels like it moves with us, even though it obviously doesn't really move alongside us. This...

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Explain why the sun is yellow while stars are white?

Explain why the sun is yellow while stars are white?

Stars are mainly composed of hydrogen and helium, with a few other elements in small quantities, such as carbon, oxygen, or iron. This gaseous cocktail...

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Explain why does Halley's comet come back every 76 years?

Explain why does Halley's comet come back every 76 years?

Halley's Comet is mainly composed of ice, dust, and rocks. The ices found in the comet are primarily water, carbon dioxide, methane, and ammonia. These...

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Explain why the sun appears larger on the horizon?

Explain why the sun appears larger on the horizon?

The sun on the horizon passes through more of the atmosphere than when it is high in the sky. As a result, sunlight undergoes refraction, meaning it...

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