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1. science.nasa.gov › sun › factsOur Sun: Facts - Science@NASA

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   From our vantage point on Earth, the Sun may appear like an unchanging source of light and heat in the sky. But the Sun is a dynamic star, constantly changing and sending energy out into space. The science of studying the Sun and its influence throughout the solar system is called heliophysics. The Sun is […]

   • Why We Study The Sun

     The Sun is the source of the solar wind; a flow of gases...

   • Studying the Sun

     Science in Space: June 2024. The Sun wields a huge influence...

   • The Sun

     The connection and interactions between the Sun and Earth...

2. science.nasa.gov › heliophysics › focus-areasSolar Science - NASA Science

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   The sun is a dynamic star, made of super-hot ionized gas called plasma. The sun's surface and atmosphere change continually, driven by the magnetic forces generated by this constantly-moving plasma. The sun releases energy in two ways: the usual flow of light that illuminates the Earth and makes life possible; but also in more violent and ...

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4. science.nasa.gov › sunThe Sun - Science@NASA

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   The connection and interactions between the Sun and Earth drive the seasons, ocean currents, weather, climate, radiation belts and auroras. Though it is special to us, there are billions of stars like our Sun scattered across the Milky Way galaxy. The Sun has many names in many cultures. The Latin word for Sun is “sol,” which is the main ...

5. science.howstuffworks.com › sunHow the Sun Works - HowStuffWorks

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   Aug 23, 2023 · The energy is emitted in various forms of light: ultraviolet light, X-rays, visible light, infrared, microwaves and radio waves. The sun also emits energized particles (neutrinos, protons) that make up the solar wind. This energy strikes Earth, where it warms the planet, drives our weather and provides energy for life.

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     Why Does NASA Observe the Sun in Different Colors?

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     Sun: Facts - NASA Science

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     The sun, explained

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7. solarscience.msfc.nasa.gov › whysolarNASA/Marshall Solar Physics

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   Aug 11, 2014 · The Sun is the source of the solar wind; a flow of gases from the Sun that streams past the Earth at speeds of more than 500 km per second (a million miles per hour). Disturbances in the solar wind shake the Earth's magnetic field and pump energy into the radiation belts. Regions on the surface of the Sun often flare and give off ultraviolet ...

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8. www.nasa.gov › iss-research › studying-the-sunStudying the Sun - NASA

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   Jun 20, 2024 · Science in Space: June 2024. The Sun wields a huge influence on Earth. Its gravity holds our planet in its orbit, and solar energy drives the seasons, ocean currents, weather, climate, radiation belts, and auroras on Earth. The solar wind, a flow of charged particles from the Sun, constantly bombards Earth’s magnetosphere, a vast magnetic ...

9. People also ask

   How does the sun affect Earth?

   • The Sun wields a huge influence on Earth. Its gravity holds our planet in its orbit, and solar energy drives the seasons, ocean currents, weather, climate, radiation belts, and auroras on Earth. The solar wind, a flow of charged particles from the Sun, constantly bombards Earth’s magnetosphere, a vast magnetic shield around the planet.

   Studying the Sun - NASA

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   How does the Sun release energy?

   • The sun releases energy in two ways: the usual flow of light that illuminates the Earth and makes life possible; but also in more violent and dramatic ways--it gives off bursts of light, particles, and magnetic fields that can have ripple effects all the way out to the solar system's magnetic edge. Solar activity follows a roughly 11-year cycle.

   Solar Science - NASA Science

   science.nasa.gov/heliophysics/focus-areas/solar-science

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   What types of energy is emitted by the Sun?

   • The energy is emitted in various forms of light: ultraviolet light, X-rays, visible light, infrared, microwaves and radio waves. The sun also emits energized particles (neutrinos, protons) that make up the solar wind. This energy strikes Earth, where it warms the planet, drives our weather and provides energy for life.

   How the Sun Works - HowStuffWorks

   science.howstuffworks.com/sun.htm

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   What is the relationship between the Sun and Earth?

   • The Sun's gravity holds the solar system together, keeping everything – from the biggest planets to the smallest particles of debris – in its orbit. The connection and interactions between the Sun and Earth drive the seasons, ocean currents, weather, climate, radiation belts and auroras.

   The Sun - Science@NASA

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   Why is the Sun a star?

   • The Sun is the star at the heart of our solar system. Its gravity holds the solar system together, keeping everything — from the biggest planets to the smallest bits of debris — in its orbit. The Sun's gravity holds the solar system together, keeping everything – from the biggest planets to the smallest particles of debris – in its orbit.

   The Sun - Science@NASA

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   Why do we love the sun so much?

   • Our ancestors realized that their lives depended upon the Sun and they held the Sun in reverent awe. We still recognize the importance of the Sun and find the Sun to be awe inspiring. In addition we seek to understand how it works, why it changes, and how these changes influence us here on planet Earth.

   Why We Study The Sun | NASA

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10. en.wikipedia.org › wiki › SunSun - Wikipedia

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    The Sun is the star at the center of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies. It is by far the most important source of energy for ...