Here's a simple one if you're at home or work: Step outside and look under a leafy tree. You’ll see hundreds of little crescent shadows. That's because leaves act like pinhole cameras, casting the shadow of the eclipse onto the ground.
If you’re lucky enough to be traveling to an area where the eclipse will be total, here's a pro tip: Glance away from the sun and observe the color of the horizon - it’s like a 360 degree sunset.
Duncan, who has seen close to 10 of these events, says perhaps the best view of the partial eclipse will be reserved for a group of scientists at Southwest Research Institute in Boulder. Their specially-designed telescopes will be aboard two NASA jets that will be chasing the eclipse as it crosses the United States. The data they gather will provide insight into the formation of the sun's corona, as well as assist in a heat map of the planet Mercury.
Listen to Duncan's conversation with Colorado Matters for more pro tips.
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