73 questions and answers in this section

Natural Sciences » Astronomy

Explain why planets revolve around the sun.

Explain why planets revolve around the sun.

The main reason why planets revolve around the Sun is related to gravity and attraction. In physics, gravity is a mutual attractive force that exists...

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Explain why the Mayans developed such a precise and sophisticated calendar system.

Explain why the Mayans developed such a precise and sophisticated calendar system.

The Mayans developed a precise and sophisticated calendar system due to their strong dependence on agriculture and religious rituals. Agriculture was the main activity of...

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Explain why the Mayans had such expertise in astronomy to build observatories?

Explain why the Mayans had such expertise in astronomy to build observatories?

The Mayans used a numbering system based on the number 20, called the vigesimal system. In this system, a dot represented the unit, a bar...

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Explain why the Orion constellation is so recognizable in the sky.

Explain why the Orion constellation is so recognizable in the sky.

The constellation of Orion is easily recognizable in the sky because of its characteristic star configuration. Orion is composed of several bright stars that form...

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Explain why the Mayan calendar was so precise despite the absence of modern technology.

Explain why the Mayan calendar was so precise despite the absence of modern technology.

The ancient Maya were expert astronomers, able to accurately predict the movements of the Sun, Moon, and planets visible to the naked eye. Their calendar, called the...

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Explain why solar eclipses are so rare?

Explain why solar eclipses are so rare?

The position of the Moon plays a crucial role in the rarity of solar eclipses. The Moon orbits around the Earth on a trajectory slightly...

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Can you explain why the Sun appears larger at sunrise and sunset?

Can you explain why the Sun appears larger at sunrise and sunset?

Atmospheric perspective and optical illusion can give us the impression that the Sun appears larger when it rises or sets. This is due to the...

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Explain why the moon changes shape every night?

Explain why the moon changes shape every night?

The first quarter of the moon occurs about a week after the new moon. At this stage, the moon is visible in the sky in...

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Explain why the Mayans attached great importance to solar eclipses?

Explain why the Mayans attached great importance to solar eclipses?

The Mayans attached great importance to solar eclipses in their cosmology. For them, these celestial events were divine signs, messages from the gods. Solar eclipses...

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Explain why the Earth revolves around the Sun?

Explain why the Earth revolves around the Sun?

Gravity plays a crucial role in the movement of planets in our solar system. This attractive force acts between massive bodies, such as the Earth...

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