Q:

Why doesn't Venus have seasons like Mars and Earth do?

A:

Because Venus has an axial tilt of only 2.7 degrees, it lacks the seasons found on both Earth and Mars. Venus also has a very thick atmosphere and suffers from a runaway greenhouse effect, meaning that the surface of the planet experiences no temperature variations whatsoever.

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Full Answer

Seasonal changes are the result of the angle at which a planet spins upon its axis. Warmer summer temperatures are experienced by a hemisphere that is tilted toward the sun, while the opposite hemisphere can expect cooler winter temperatures. While the planet Venus is similar to Earth in many respects, its axis is tilted at a much narrower angle.

Venus has an atmosphere that is 93 times thicker than Earth's. Due to its density and the presence of high quantities of carbon dioxide, the greenhouse effect of the atmosphere traps a great deal of heat from the sun and distributes it around the surface of Venus. Temperatures on the surface of Venus average 860 degrees Fahrenheit, regardless of location. Venus rotates much more slowly than Earth, and some areas of the planet may be without direct sunlight for up to 50 Earth-days. Even the difference between the long day and night of the planet is unable to change surface temperatures.

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Related Questions

  • Q:

    How large is Venus compared to other planets?

    A:

    Venus is the third smallest planet in the solar system and is around 95 percent of the total size of the Earth. Both Earth and Venus are dwarfed by the largest planet in the solar system, Jupiter, which is more than 13 times their size.

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  • Q:

    How far is Venus from Earth?

    A:

    The closest distance from Earth to Venus is about 26 million miles, while the furthest distance is about 160 million miles. The two planets are closest when they are on the same side in relation to the sun and furthest when they are on opposite sides.

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  • Q:

    What planet is closest to Earth?

    A:

    Venus is the planet that is closest to Earth. Venus is about 23.6 million miles away from Earth when it's at its closest, though it can be as far as 162 million miles away.

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  • Q:

    How big is Venus?

    A:

    Venus is just slightly smaller than the Earth, with a radius of about 3,760 miles and a circumference a little over 23,627 miles. These measurements make Venus about 94 percent of the size of the Earth, although it is only about 82 percent as voluminous.

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