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NASA Prepares for Aug. 21 Total Solar Eclipse with Live Coverage, Safety Information by Staff Writers Washington DC (SPX) Jun 23, 2017
For the first time in 99 years, a total solar eclipse will occur across the entire continental United States, and NASA is preparing to share this experience of a lifetime on Aug. 21. Viewers around the world will be provided a wealth of images captured before, during, and after the eclipse by 11 spacecraft, at least three NASA aircraft, more than 50 high-altitude balloons, and the astronauts aboard the International Space Station - each offering a unique vantage point for the celestial event. NASA Television will air a multi-hour show, Eclipse Across America: Through the Eyes of NASA, with unprecedented live video of the celestial event, along with coverage of activities in parks, libraries, stadiums, festivals and museums across the nation, and on social media. Coast to coast, from Oregon to South Carolina, 14 states will - over a span of almost two hours - experience more than two minutes of darkness in the middle of the day. When the moon completely blocks the sun, day will turn into night and make visible the otherwise hidden solar corona, the sun's atmosphere. Bright stars and planets also will become visible. Using specialized solar viewing glasses or other equipment, all of North America will be able to view at least a partial eclipse lasting two to four hours. "Never before will a celestial event be viewed by so many and explored from so many vantage points - from space, from the air, and from the ground," said Thomas Zurbuchen, associate administrator of NASA's Science Mission Directorate in Washington. "With our fellow agencies and a host of scientific organizations, NASA will continue to amplify one key message: Take time to experience the Aug. 21 eclipse, but experience it safely."
Viewing Safety An alternative method for safe viewing of the partially-eclipsed sun is with a pinhole projector. With this method, sunlight streams through a small hole - such as a pencil hole in a piece of paper, or even the space between your fingers - onto a makeshift screen, such as a piece of paper or the ground. It's important to watch the screen, not the sun. Studying Our Sun Many researchers and citizen scientists will take advantage of this unique opportunity to study our sun, solar system, and Earth under rare circumstances. The sudden blocking of the sun during an eclipse reduces the light and changes the temperature on the ground, creating conditions that can affect local weather and animal behavior. Understanding the sun has always been a top priority for space scientists. These scientists study how the sun affects space and the space environment of planets - a field known as heliophysics. As a source of light and heat for life on Earth, scientists want to understand how our sun works, why it changes, and how these changes influence life on Earth. The sun's constant stream of solar material and radiation can impact spacecraft, communications systems, and orbiting astronauts. "Eclipse 2017 provides an incredible opportunity to engage the entire nation and the world, inspiring learners of all ages who have looked to the sky with curiosity and wonder," said Steven Clarke, director of NASA's Heliophysics Division in Washington. NASA spacecraft capturing the event include: NASA's Lunar Reconnaissance Orbiter, which will turn toward Earth to track the shadow of the moon on our planet; a host of Earth-observing spacecraft, which can both observe the shadow of the moon and measure how it affects Earth's weather; and a fleet of solar observing spacecraft. NASA images and data of the eclipse will complement that collected by other scientific organizations. For more information on viewing safety, visit here
Berkeley CA (SPX) Jun 22, 2017 Are you wondering what the total solar eclipse in late summer will look like from your patio? Or where to travel to get the best view of the eclipse? You can enter the ZIP code or name of your city or town and see an animation of how the Sun will move across the sky over a three-hour period - sped up 1,000 or 4,000 times - and how much of a bite will be taken out of the Sun by the eclipsin ... read more Related Links Solar Eclipse at NASA Solar Science News at SpaceDaily
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