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Unveiling the Sun: A Bright Celestial Guide

Explore the Sun and its fascinating characteristics, from distance and temperature to color and brightness. Learn about solar flares, prominences, sunspots, and the majestic corona in this illuminating journey through our nearest star. Discover more about the Sun's wonders.

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Unveiling the Sun: A Bright Celestial Guide

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  1. How hot is the sun? The Sun The Sun ▲ KS Indicator 4.3.1

  2. Characteristic: Distance from the Earth • The sun is about 93 million miles (about 150 million km) from Earth. • A car going 60 miles an hour would reach the sun in 177 years.

  3. Characteristic: Distance from the Earth • At 25, 000 miles an hour, it would take a rocket more than 5 months to cover the distance from the Earth to the sun. • Light from the sun travels 186,000 miles per second and takes 8 minutes to reach Earth.

  4. Characteristic: Temperature • The surface of the sun is about 10,000 degrees Fahrenheit (5,532 ºC or 5805 K). • The inside of the sun is about 27 million degrees (13 million ºC or 13,000,273 K).

  5. Characteristics:Temperature and Color • All things change color with heat. • Think of an example… Metal- when you heat metal, it turns red hot.

  6. A star’s color tells the temperature at its surface. Characteristics:Temperature and Color

  7. Characteristic: Brightness (apparent magnitude) • The sun is a main sequence star (middle level magnitude).

  8. Other Special Information • The sun does not belong to a constellation. • The sun is the closest star to the Earth. • The sun gives us heat and light.

  9. Other Special Information • The sun is NOT the biggest star; it is only a medium-sized star. • The largest stars are more than 1,000 times as big as the sun. • The smallest stars are even smaller than Earth.

  10. Solar Flare

  11. Solar Flare • Stream of gas shooting out from the sun.

  12. Prominence

  13. Prominence • Large cloud of gas that shoots from the sun in a arch shape.

  14. Sun Spot

  15. Sun Spot • Dark patch on the sun that is cooler than the area around it.

  16. Corona

  17. Corona • Outer atmosphere of the sun.

  18. Resources • http://www.windows.ucar.edu/sun/images/sunspots_big_jpg_image.html • http://hesperia.gsfc.nasa.gov/sftheory/fulldisk.htm • http://www.solarviews.com/cap/sun/sun.htm • http://solarscience.msfc.nasa.gov/SunspotCycle.shtml • http://www-istp.gsfc.nasa.gov/Education/wcorona.html

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