On Tuesday, April 29 at 0517 GMT, the moon will begin to eclipse the sun in the first of two total solar eclipses set to happen this year. When the moon is directly between the sun and the Earth, only the edges of the sun will be visible, resembling a “ring of fire.”
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This artist's illustration shows the planet Kepler-186f, the first Earth-size alien planet discovered in the habitable zone of its star. (Image: NASA Ames/SETI Institute/JPL-CalTech) For the first time, scientists have discovered an Earth-size alien planet in the habitable zone of its host star, an "Earth cousin" that just might have liquid water and the right conditions for life. The new