Science

Local retailers already sold out of eclipse glasses

Local retailers already sold out of eclipse glasses”

In a few short days, record numbers of people will flock to a 70-mile-wide swath of the United States to witness an historic total solar eclipse.

Viewers, Rao says, should only purchase ones with an "ISO 12312-2" designation that indicate the product has met global safety standards (the American Astronomical Society has a list of approved brands). But if the skies are clear that afternoon, you can still be mesmerized by following the moon as it creeps across the sun over the course of about 2 hours and 41 minutes.

What is a partial eclipse?

"Quite often you can see the outlines of the (moon's) crater rims that light up around the edge of the moon as it's silhouetted against the brightness of the sun, which is what creates the "diamond ring" effect in totality", he added. The earth spins on its axis from west to east, so it might at first seem that the moon's shadow during an eclipse would slide backward in the opposite direction.

Saros 145 is a series of 77 eclipses of varying characteristics and lengths. The eclipsing will take place between 1pm and 4pm and the maximum eclipse of the sun will be around 2:45pm. It began in January 1639, and it will end on April 17, 3009, making this series 1370 years long.

In the discussions held on Monday, scenarios were talked about in the event of emergencies such as weather, grassfires due to vehicles stopping in grassy area, or campfires, and vehicle accidents, as well as civil unrest within the area. "If you think the sun is bright, if you're viewing without glasses, you're putting a thousand times more light in your retina when you focus on the sun", explained lab manager Aaron Miller. The 2017 American edition shares those shapely characteristics, as the shadow wends its way from OR to SC. Try this: Stretch your fingers and cross one hand over the other, leaving small gaps; then with your gapped hands flat in front of you, turn your shoulder to the sun.

An animation of all the eclipses in Saros 145.

Angela Des Jardins, director of the Montana Space Grant Consortium and leader of the Eclipse Ballooning Project, is leading a team that will launch 100 high altitude balloons from across the eclipse's path, sending live video images to NASA. On Sept. 12, 2053, the eclipse centerline slices perfectly through the Straight of Gibraltar, curving along the top contour of Africa, through Egypt and Saudi Arabia into Indonesia.

"Before you die you owe it to yourself to experience a total solar eclipse", Baron advises.

Where can I see the eclipse?

"Enjoying totality by eye is more rewarding", he said.

The last total eclipse in the United States was on July 11, 1991, but only for Hawaii. That eclipse will be visible from Northern California to Florida, according to NASA. The last total eclipse to pass over the Hershey-Hummelstown-Palmyra area occurred in 1478 - before Columbus's first voyage to America.



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