NASA’s Eclipse Soundscapes Project will collect observations from the public on animal behaviors as well as human reactions to the eclipse through written multisensory reports - such as what the observer saw, heard or felt - and audio recordings of the environment during the solar event. Nicholas Pfosi/The Boston Globe/Getty Images Stephanie Wilson records observations during the partial solar eclipse in Boston, on August 21, 2017. Here's where tomorrow's eclipse will be most visible across the US: Both of these phases last less than a minute, Mulchaey said. And as totality nears, Baily’s beads will quickly disappear and make way for the “diamond ring,” a nickname for how it looks when a single point of light remains - like a glistening giant diamond ring. When the moon begins to cross in front of the sun, the star’s rays will shine around valleys on the moon’s horizon, creating glowing drops of light around the moon called Baily’s beads. Glowing rays around moon: Two breathtaking phases occur within the final moments before totality, Mulchaey said.Just make sure you have eclipse glasses handy to safely view the sun before the event gets underway. “It’s almost like a gray because the sun’s way high in the sky, but it’s almost entirely blocked out." The eerily darkening sky is a cue for skywatchers that the stellar show is about to begin. Greenewalt Chair of the Carnegie Observatories. John Mulchaey, Carnegie Institution for Science’s deputy for science and the director and Crawford H. "About 15 to 20 minutes before totality, the sky starts getting this really weird gloomy color," said Dr. Changes in the sky near totality: Within the path, the partial eclipse is the longest phase, but as the time for totality nears, look for changes in the sky’s appearance.For those living outside of the path of totality, a crescent-shaped partial eclipse, rather than a total eclipse, will be the main event. Depending on your location, the partial eclipse can last between 70 and 80 minutes, according to NASA. Partial eclipse: The moon doesn’t suddenly appear between Earth and the sun - the event begins with a partial eclipse, in which the moon appears to take a “bite” out of the sun.
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