Sunglasses won’t cut it during the April 8 eclipse. Special eclipse glasses are crucial for safely observing the sun as the moon marches across the late morning and afternoon sky on April 8, covering more and more and then less and less of our star. (AP Video/Shelby Lum)

Safety first: How to watch April’s total solar eclipse that will cut across North America

Sunglasses won’t cut it during the April 8 eclipse. Special eclipse glasses are crucial for safely observing the sun as the moon marches across the late morning and afternoon sky on April 8, covering more and more and then less and less of our star. (AP Video/Shelby Lum)