Eclipse June 2021

Annular

(‘Ring of Fire’)

Eclipse

Total Eclipse

The moon is closer to the Earth, so it appears large enough to fully block the sun. This allows the atmosphere around the sun, called the corona, to

become visible.

Sun

The moon is at or near the farthest point from the Earth in its orbit, so it appears smaller than the sun, leaving a thin outer ring of sun unobstructed.

View from

beneath moon’s

shadow

View from

beneath moon’s

shadow

Moon

Earth

Total Eclipse

Annular

(‘Ring of Fire’)

Eclipse

The moon is closer to the Earth, so it appears large enough to fully block the sun. This allows the atmosphere around the sun, called the corona, to become visible.

The moon is at or near the farthest point from the Earth in its orbit, so it appears smaller than the sun, leaving a thin outer ring of sun unobstructed.

Sun

Moon

Earth

View from

beneath moon’s

shadow

Total Eclipse

Annular

(‘Ring of Fire’)

Eclipse

The moon is closer to the Earth, so it appears large enough to fully block the sun. This allows the atmosphere around the sun, called the corona, to become visible.

The moon is at or near the farthest point from the Earth in its orbit, so it appears smaller than the sun, leaving a thin outer ring of sun unobstructed.

Sun

Moon

Earth

View from

beneath moon’s

shadow

Source: American Astronomical Society

Lindsay Huth/THE WALL STREET JOURNAL

People just off the eclipse’s direct path will see a partial eclipse. In New York, Philadelphia and Toronto, our star will look like a pair of horns protruding from the horizon, while people in Montreal and Boston will see something resembling a shark’s fin—as if the moon had taken a bite out of the sun, according to the Great American Eclipse website.

Solar eclipses occur when the moon passes between the Earth and the sun. Annular solar eclipses are those occurring when the moon is at or near the most distant point in its elliptical orbit around Earth. Since the moon is farther away then, it appears smaller and doesn’t fully block the sun. Total solar eclipses occur when the moon is closer and appears large enough to fully block the sun.

Solar Eclipse Photos: See the ‘Ring of Fire’ Up Close "> Solar Eclipse Photos: See the ‘Ring of Fire’ Up Close >

VIEW Photos

Bill Ingalls/NASA/Getty Images

The eclipse comes 15 days after the year’s only total lunar eclipse, which some called the super flower blood moon. The moon was at its closest point to Earth during that eclipse and thus appeared a bit bigger than usual—a supermoon. But by June 8, the moon had reached its most distant point in its orbit around Earth, said Jackie Faherty, an astrophysicist at the American Museum of Natural History in New York.

The moon will begin to cross in front of the sun at 4:12 a.m. EDT on June 10 and will end its transit roughly five hours later. But for any given location, the duration will be briefer, said Dr. Faherty. In New York, weather permitting, the eclipse will be visible starting at 5:24 a.m., will reach its peak at 5:32 a.m. and will end at 6:30 a.m.

The first solar eclipse of 2021 will take place early on June 10, offering spectators in parts of the northeastern U.S., Canada, Greenland, Europe and Asia a chance to see a “ring of fire” or annular eclipse. WSJ explains how to watch this astronomical event without damaging your eyes. Photo: Getty Images

For those in Toronto, the moon will cover 86% of the sun’s diameter. For those in New York, almost 80% of the sun’s diameter will be obscured. In the so-called zone of annularity, where the ring of fire will be visible, the moon will cover nearly 97% of the sun’s diameter, according to the Time and Date website.

Path of June 10 solar eclipse

Extent of

partial eclipse

40

60

80

U.S.

Point of

greatest

eclipse

Eclipse occuring

as sun is setting

as sun is rising

Source: Xavier M. Jubier (eclipse); Natural Earth (land); OpenStreetMap (oceans)

Lindsay Huth/THE WALL STREET JOURNAL

Some are taking extraordinary measures to watch Thursday’s event. Jay Pasachoff, an astronomy professor at Williams College in Williamstown, Mass., who has seen 72 solar eclipses, plans to be among a group of 35 eclipse-chasers who will board a chartered jet from Minneapolis and fly along a 3½ hour, round-trip route through Canada so they can enjoy an unobscured view of the annularity.

“It’s very exciting to see,” Dr. Pasachoff said of a solar eclipse. “It’s mind boggling to be in the straight alignment of the Earth and the moon and the sun.”

The June 10 eclipse won’t reproduce the eerie effect of the total solar eclipse of 2017, which darkened skies and lowered temperatures across a swath of the U.S.

The most recent total solar eclipse occurred last December and was witnessed by people in Argentina and Chile. The next one will occur in December in the skies over Antarctica. Dr. Pasachoff said he would board an eclipse-chasing flight from Punta Arenas, Chile, to see it.

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Are you planning to watch the solar eclipse? Join the conversation below.

The last annular solar eclipse occurred on June 21, 2020, and was visible in Africa, Asia and southeastern Europe. The next one after tomorrow’s will occur on Oct. 14, 2023, and will be visible in Central and South America and the western U.S.

To prevent eye damage, precautions must be taken when viewing the sun. Those who lack special eclipse glasses can safely view an eclipse indirectly by using do-it-yourself equipment like a homemade pinhole camera or a colander to project the image of the eclipse onto another surface. The Time and Date website will live-stream the eclipse.

Write to Vipal Monga at vipal.monga@wsj.com

Source : https://www.wsj.com/articles/when-to-watch-the-ring-of-fire-solar-eclipse-2021-11623240002

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