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Sun

Sun

The sun is a star called Sol at the center of the Solar system. Just about every form of life in Earth depends on its existence.

Top Questions Asked on ChaCha.com for Sun

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  1. What an icy rock that has bright tail when it comes close to the sun?

    Comets are small, fragile, irregularly shaped bodies composed...

  2. Is the earth we moving closer to the sun?

    In the past (at least) 100 years, the Earth's orbit (accordin...

  3. What energy is used from the sun?

    Plants use the sun's energy for photosynthesis, as well as hu...

  4. What happens when the sun heats water and land?

    Most solar radiation is reflected by the water. On land the v...

  5. What is the Fourth Planet form the Sun?

    The fourth planet from the sun is Mars, named after the Roman...

  1. How was the sun formed?

    Studies of other stars which astronomers can see in many diff...

  2. What an icy rock that has bright tail when it comes close to the sun?

    Comets are small, fragile, irregularly shaped bodies composed...

  3. How far away away is the sun from the earth?

    The Sun is very far from Earth. In fact, it is 93 million mil...

  4. Is the earth we moving closer to the sun?

    In the past (at least) 100 years, the Earth's orbit (accordin...

  5. What energy is used from the sun?

    Plants use the sun's energy for photosynthesis, as well as hu...

  1. What happens when the sun heats water and land?

    Most solar radiation is reflected by the water. On land the v...

  2. How does the sun rotate?

    The regions of the Sun near its equator rotate once every 25 ...

  3. What might you predict would become the limiting factor for sun loving mosses as taller plants begin to grow during succession?

    The mosses would recieve less light and not grow as well.

  4. Is the sun a solid liquid or gas?

    The Sun is a large ball of gas (mostly hydrogen and helium) w...

  5. What is the distance from mercury to the sun? What about mars to the sun?

    Depending on the orbit Mercury can be 28.6 million to 43.4 mi...

Top Questions Asked on ChaCha Mobile for Sun

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  1. Where can I read midnight Sun online for free?

    You can read Stephanie Meyer's draft of "Midnight Sun" at: ht...

  2. Which direction does the sun rise in?

    The Sun rises in the east and sets in the west. When it does ...

  3. What direction does the sun rise in?

    The sun rises in the east and sets in the west. ChaCha!

  4. Why is the sun so bright?

    The sun is a star. Nuclear fusion burns hydrogen atoms to for...

  5. Does the earth revolve around the sun or does the sun revolve around the earth?

    The Earth revolves around the Sun! This is what causes the se...

  1. Which direction does the sun rise in?

    The Sun rises in the east and sets in the west. When it does ...

  2. Does the sun rotate?

    Yes, the Sun rotates. This motion is part of the general rota...

  3. How does the sun produce energy?

    The nuclear fusion process that takes place in the central re...

  4. What order are the planets from the sun?

    The planets in order from sun: Mercury, Venus, Earth, Mars, J...

  5. How many earth's can fit in the sun?

    Just about 1,000,000 Earths would fit inside the sun. Thanks ...

  1. Can the sun explode?

    If a star has enough mass, around 4 times the mass of the Sun...

  2. Why does Mercury orbit the Sun?

    The basic reason why the planets revolve around, or orbit the...

  3. What is wrong with the sun today?

    Nothing, the sun goes in cycles and begins to use solar flare...

  4. How does the sun produce energy?

    The nuclear fusion process that takes place in the central re...

  5. Does the sun shoot out plasma?

    Yes, a solar flare is a large explosion in the Sun's atmosphe...

Related Images

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Solar balloons with the shape of UFO's are seen at the Sabaneta Municipality's stadium, southern Medellin, Colombia, on December 31, 2011, during the 11th International solar balloon Festival, in this version there are about 30 ballons and the theme is science fiction. The making of each balloon -made up of plastic and tape- takes three days, the sun heats the air inside the globe, which expands and makes the globe lighter, putting it to fly.

A partial lunar eclipse as seen in Manila on December 10, 2011. A lunar eclipse occurs when the moon, following its orbit around Earth, passes directly behind our planet as seen from the sun.

The Earth's shadow is cast upon the moon during the last total lunar eclipse of 2011 as seen from the San Gabriel Valley east of Los Angeles on December 10, 2011. A lunar eclipse occurs when the moon, following its orbit around Earth, passes directly behind our planet as seen from the sun.

IN SPACE - UNSPECIFIED: In this handout illustration made available on December 5, 2011 by NASA, a diagram compares our own solar system to Kepler-22, a star system containing the first 'habitable zone' planet discovered by NASA's Kepler mission. The habitable zone is the sweet spot around a star where temperatures are right for water to exist in its liquid form. Liquid water is essential for life on Earth. The diagram displays an artist's rendering of the planet comfortably orbiting within the habitable zone, similar to where Earth circles the sun. Kepler-22b has a yearly orbit of 289 days. The planet is the smallest known to orbit in the middle of the habitable zone of a sun-like star and is about 2.4 times the size of Earth.

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