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Planetary Science

Planetary Science is the study of Planets and the Solar System, a combination of Astronomy and Earth Sciences. Find questions about the different planets and more.

500 Questions

Will Mars be affected by the sun's death?

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Asked by Wiki User

yes of course after the sun has engulfed the earth. mars will be the new mercury in charge. and also when the sun is gone the surviving planets will be a white dwarf and freeze and die like mercury venus earth and the sun

How is the size of a planet related to the thickness of its atmosphere?

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Asked by Wiki User

Mainly, the mass of a planet doesn't matter, considering many planets are made up of gas, and how in different situations, atmospheres can be destroyed (The Sun burnt off Mercury's Atmosphere). However, in some cases, the planet can be in a good situation on the galaxic map, and have great conditions for an atmosphere, such as Earth. In which case, the mass of an object can attract a smaller object, causing gravity. Therefore, the bigger the mass of a planet when in right and specific conditions, the more atmosphere it can attract, if there is any floating by the planet.

If it is bigger it will have more gravitational influence and therefore gather more gases.

What is sun in the solar system?

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Asked by Wiki User

the sun is our sun in our solar system

Who was the first person to die on the planet?

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Asked by Wiki User

That was prehistory!

(no one knows so just don't ask it anymore)

What is the best clothing brand?

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Asked by Wiki User

Gucci is an Italian fashion brand known for its luxurious designs and high-end materials. Their products include clothing, shoes, bags, accessories, and more.

Prada is another Italian fashion brand known for its unique designs and high-quality leather goods. They also produce clothing, shoes, eyewear, and more.

Chanel is a French luxury brand famous for its classic fashion, fragrances and accessories.

Louis Vuitton is a French luxury brand famous for its iconic LV patterned leather goods and bags.

FashionTIY provides high quality clothing at favorable prices.

Does the sun have any moons?

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Asked by Wiki User

no its doesnt have any moons. because its to hot for it but they consider the planets to be the suns moons

Why planets do not collide while revolving around the sun?

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Asked by Wiki User

Planets do not collide while revolving around the sun because they have stable orbits and follow gravitational laws. The gravitational force between the planets and the sun keeps them in their respective orbits. The speed and direction of their orbits ensure that they maintain a safe distance from each other, preventing collisions.

Is planet Earth really blue?

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Asked by Wiki User

Yes, the planet Earth is often referred to as "the blue planet" because about 71% of its surface is covered in water, which appears blue from space.

What keeps the earth and all the planets and suns floating in thin air?

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Asked by Wiki User

Gravity is the force that keeps the Earth and other celestial bodies floating in space. Gravity is the attraction between objects with mass, pulling them towards each other. It keeps planets in orbit around the Sun and moons in orbit around their planets, creating a delicate balance that keeps everything in place.

What star or planet is low in the southern sky?

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Asked by Wiki User

One potential star that is low in the southern sky is Canopus, which is the second brightest star in the night sky and is visible from the Southern Hemisphere. Another possibility is the planet Saturn, which can be seen in the southern sky during certain times of the year.

Does the planet with the shortest revolution have the shortest rotation?

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Asked by Wiki User

No, the planet with the shortest revolution does not necessarily have the shortest rotation. Revolution refers to the time it takes for a planet to complete one orbit around the sun, while rotation refers to the time it takes for a planet to complete one full spin on its axis. These two periods can be different for each planet.

This is the elliptical orbit of the Earth around the Sun. 365.26 days?

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Asked by Germany Williams

The Earth's elliptical orbit around the Sun is responsible for the variation in the length of a year. It takes approximately 365.26 days for the Earth to complete one orbit, which is why we have leap years every four years to account for the extra quarter day. This orbit results in the changing seasons and the different lengths of day and night throughout the year.

What happens around June 21?

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Asked by Wiki User

June 21 marks the summer solstice, which is the longest day of the year in terms of daylight in the Northern Hemisphere. It is the official start of summer and the sun reaches its highest point in the sky. It is also a day celebrated in many cultures as a time of festivals and rituals to honor the sun.

Why is earth called the miracle planets?

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Asked by Wiki User

Because earth has the ideal conditions for biological life, as we know; it to exist

How do you scale down the distance between planets?

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Asked by Wiki User

Scaling down the distance between planets is not feasible. The distances between planets in our solar system are vast, and scaling them down would require compressing the entire solar system. Additionally, altering the distances between planets would disrupt the delicate gravitational balance and have catastrophic consequences for the solar system as a whole.

What planet can reach up to 470 C?

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Asked by Wiki User

Venus is the planet that can reach up to 470 degrees Celsius. It has a thick atmosphere that traps heat, creating a runaway greenhouse effect and making it the hottest planet in our solar system.

Why are there so few planets with axes greater than 4 AU?

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Asked by Wiki User

The majority of known exoplanets have orbits closer to their host star because these planets are easier to detect. Planets with axes greater than 4 AU are further away from their star, making them more challenging to detect using current observational techniques. Additionally, planets that are farther from their star may have longer orbital periods, meaning they require more time to complete a full orbit, further complicating their detection.

What is a number value for the shape of an objects orbit?

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Asked by Wiki User

The number value for the shape of an object's orbit is called its eccentricity. It is a measure of how elongated or stretched out the orbit is. A value of 0 represents a perfect circle, while values greater than 0 indicate increasingly elongated elliptical orbits.

Which of the inner planets have an atmosphere containing mostly carbon dioxide?

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Asked by Wiki User

The inner planet that has an atmosphere containing mostly carbon dioxide is Venus. It has an extremely dense atmosphere, made up mostly of carbon dioxide with small amounts of nitrogen and trace amounts of other gases. The thick atmosphere contributes to Venus' extreme greenhouse effect, making it the hottest planet in the solar system.

Are the jovian planets thought to have cores larger than earth?

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Asked by Wiki User

Yes, the jovian planets (Jupiter, Saturn, Uranus, and Neptune) are thought to have cores that are larger than Earth. These cores are composed of heavy elements like rock, metal, and possibly icy materials. However, the exact size and composition of these cores are still not fully understood and are the subject of ongoing research.

What planet has not completed an orbit since its discovery?

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Asked by Wiki User

The planet Neptune has not completed a full orbit since its discovery in 1846. It takes Neptune approximately 165 Earth years to complete one orbit around the Sun, so it has only completed a fraction of its first orbit since its discovery.

What planets will survive when the sun explodes?

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Asked by Wiki User

When the sun eventually exhausts its nuclear fuel and evolves into a red giant, it will expand and engulf the inner planets, including Mercury, Venus, and possibly Earth. However, gas giants like Jupiter and Saturn are expected to survive, although they may be significantly affected by the sun's expansion. Ultimately, the fate of the planets will depend on the exact scenario of the sun's evolution.

How did Hubble make the universe larger?

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Asked by Wiki User

The Hubble Space Telescope made the universe appear larger by providing us with high-resolution images of distant galaxies and other celestial objects. By capturing sharp and detailed images, Hubble revealed the immense distances and vastness of the cosmos, allowing us to see objects that were previously too faint or blurred to be observed. Its observations helped us understand the true scale and size of the universe.