Total solar eclipse: millions watched rare spectacle as moon blocked sun in Mexico, US and Canada – as it happened

This live blog is now closed. You can read our latest stories on the total eclipse below:

First contact is when the moon’s outer edge first appears to touch the sun, creating the beginnings of a partial eclipse and a crescent sun reducing in size until totality (second contact).

In the moments before totality, look for (in order) shadow bands, Baily’s Beads and a diamond ring, three of the most memorable stages of a total eclipse.

It gives us the opportunity not just to leverage all the great scientific capabilities that we have in the US, using all kinds of equipment, aircraft, kites, balloons, sounding rockets, all flying up into the atmosphere to observe.

But in addition we have trained regular citizens, not professional scientists, to use solar telescopes. And we have an app on your phone. We’re going to have hundreds of thousands of people taking pictures, and by pulling all that data together, we think we’re going to understand the shape of the sun down to within a few kilometers.

When literally day turns to night, animals start to behave differently, we’re seeing changes in the Earth’s atmosphere, it’s a mystical, mysterious experience. And I love the thought that millions of Americans will stand together today, looking up into the sky wearing their glasses. It is amazing.

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‘A mystical experience’: millions watch total solar eclipse sweep across North America

Almost 32 million people in the path of totality as moon’s shadow crossed the Mexico-Texas border and then traversed 15 states

The ethereal spectacle of a total solar eclipse swept across North America on Monday afternoon, giving tens millions of people in Mexico, the US and Canada the chance to witness a rare and dazzling celestial show.

Almost 32 million people were in the path of totality as the moon’s shadow crossed the Mexico-Texas border at lunchtime and traversed 15 states over the next hour and a half, although many, especially in the south and midwest, were denied a clear view by low clouds and rain.

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Excitement builds ahead of total solar eclipse in US, Mexico and Canada

Rare celestial event on Monday will see the moon block out the sun for a few minutes and day turn to night, with fans hoping the clouds don’t spoil the view

Across the US, Mexico and Canada, people have rushed to stake out spots to witness a rare total solar eclipse, while forecasts for cloudy skies worry some hopeful spectators.

The phenomenon happens when the moon lines up perfectly between the Earth and the sun, blocking out the sunlight. The eclipse will be visible in the three countries on 8 April.

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What do animals do during an eclipse? Observers in US zoos hope to find out

Frantic giraffes, barking gibbons, randy tortoises … previous solar eclipses have revealed varied responses to sudden onset of darkness

Not every scientist’s attention will be focused on the skies during Monday’s solar eclipse. Animal behaviorists at several zoos across its pathway will be watching creatures great and small for their reactions to the sudden, unexpected darkness.

The research is an extension of their observations from 2017’s most recent total eclipse in the US, when usually sedentary tortoises started rutting, frantic giraffes ran around aimlessly, and siamang gibbons embarked on an abrupt and tumultuous chorus of screams and barks.

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‘I get emotional thinking about it’: US and Canada ready for total solar eclipse

Cities expect huge crowds with millions gathering in 115-mile wide ‘path of totality’ for Monday’s exceptionally large and long eclipse

Should the weather gods grant their blessing, a celestial show for the ages will darken the heavens over a large swathe of the US from Texas to Maine on Monday, giving tens of millions of people a grandstand view of a rare phenomenon being billed as “the Great American Eclipse”.

It will be another 20 years until the next total solar eclipse can be viewed anywhere in the contiguous US, lending extra incentive for many who live outside the 115-mile wide “path of totality” to travel in and experience the moments of twilight, stillness and a sudden temperature drop the event will bring.

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Niagara region declares emergency to prepare for eclipse viewers

Total solar eclipse on 8 April will be first to touch province since 1979, and Niagara Falls is declared one of the best places to view

The region of Canada surrounding the city that contains a side of – and shares a name with – Niagara Falls has declared a state of emergency as it prepares to welcome up to a million visitors for the solar eclipse in early April.

The total solar eclipse on 8 April will be the first to touch the province since 1979, and Niagara Falls was declared by National Geographic to be one of the best places to see it.

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‘A gorgeous sight’: delight and wonder as US viewers watch annular solar eclipse

Amid varying levels of cloud cover, Americans gathered and donned special glasses for rare celestial show

It was a moment that won’t happen again for 16 years – and Mother Nature obscured it in some places.

“It was supposed to be sunny in Corpus Christi today and now is clouds everywhere. Trying to see where we have to drive to,” one frustrated eclipse viewer in Texas posted on the Total Solar Eclipse 2024 Facebook page. (The title references next April’s total eclipse, which will be visible in some areas of the US.)

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‘Moment of annularity’ sweeps across parts of US as millions watch eclipse – live updates

‘Ring of fire’ solar eclipse to be visible in California, Nevada, Idaho, Utah, Arizona, New Mexico, Texas and the Gulf of Mexico

The sun’s “ring of fire” is becoming visible to hundreds of thousands of more Americans as the annular eclipse sweeps across the mainland US in a south-eastern direction towards Texas.

The eclipse has passed Oregon and a sliver of northern California, and sky watchers in New Mexico are the next to experience the full effects of the moon passing in front of the sun.

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‘Ring of fire’ visible in parts of US as crowds gathered to watch annular eclipse

Annular solar eclipse passed over eight states from Oregon to Texas and partial eclipse was visible in other continental states

As the “moment of annularity” was reached, photos were snapped, crowds cheered and the sky darkened – in the areas that the annular solar eclipse could be seen, at least.

Annularity during a solar eclipse is the moment when the moon is fully in front of the sun, creating the ring of fire that is the visual highlight of today’s eclipse. It lasts for only a few minutes.

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How and when to watch the solar eclipse on Thursday

The moon will partially cover the sun in the UK later this week, but some parts of the northern hemisphere will experience a total eclipse

This Thursday, Greenland, Iceland, the Arctic, most of Europe, much of North America and Asia will experience a solar eclipse.

Most will see a partial eclipse, where the moon takes a bite out of the sun. From a few specific places in Russia, Greenland and Canada, the event will be visible as an annular eclipse, which occurs when the moon is located near the furthest part of its orbit around the Earth.

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Rare ‘ring of fire’ annular solar eclipse to cast shadow over Africa and Asia

Event will be visible across a narrow band from Congo-Brazzaville to southern China

Skywatchers along a narrow band from west Africa to the Arabian peninsula, India and southern China will witness the most dramatic “ring of fire” solar eclipse in years on Sunday.

Annular eclipses occur when the moon passes between Earth and the sun, but not quite close enough to our planet to completely obscure the sun’s light.

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Timelapse captures moment sky darkens for total solar eclipse – video

A dramatic timelapse at Chile's Coquimbo region captured a rare total solar eclipse on 2 July.

A solar eclipse occurs when the moon passes between the Earth and the sun, plunging the planet into darkness. It happens only rarely in any given spot across the globe. Some of the best views this time were in Chile's Coquimbo region, where a lack of humidity and city lights combine to create some of the world's clearest skies.



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Total solar eclipse: thousands in Chile and Argentina marvel at ‘something supreme’

Best views were in the Atacama desert, where a total eclipse has not occurred since 1592

Hundreds of thousands of tourists scattered across the north Chilean desert on Tuesday to experience a rare and irresistible combination for astronomy buffs: a total eclipse of the sun viewed from beneath the world’s clearest skies.

A solar eclipse occurs when the moon passes between the Earth and the sun, plunging the planet into darkness. It happens only rarely in any given spot across the globe.

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100 years on: the picture that changed our view of the universe

Arthur Eddington’s photograph of the 1919 solar eclipse proved Einstein right and ushered in a century where gravity was king

A hundred years ago this month, the British astronomer Arthur Eddington arrived at the remote west African island of Príncipe. He was there to witness and record one of the most spectacular events to occur in our heavens: a total solar eclipse that would pass over the little equatorial island on 29 May 1919.

Observing such events is a straightforward business today, but a century ago the world was still recovering from the first world war. Scientific resources were meagre, photographic technology was relatively primitive, and the hot steamy weather would have made it difficult to focus instruments. For good measure, there was always a threat that clouds would blot out the eclipse.

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