About a quarter of the sun will be blocked during the partial solar eclipse

About 25% of the Sun will be frozen on Tuesday when the Moon passes between it and the Earth.

Skygazers from across the UK will be able to see the phenomenon, with those from northern Scotland expected to enjoy good views.

Dr. Robert Massey, of the Royal Astronomical Society, said the eclipse will cause the Moon to obstruct the view of “part or all of the bright solar surface” and that the Sun “looks like it has a bite.”

Observers in Western Siberia, Russia, will have the best view of the eclipse, where the Moon will obscure a maximum of 85 percent of the Sun, Dr. Massey added.

In London, the eclipse will begin at 10:08 am on October 25, with the maximum eclipse at 10:59 am, when the Moon will cover nearly 15% of the Sun.

Lerwick in the Shetland Islands should have a better view, with 28% of the Sun obscured in mid-eclipse.

Jake Foster, astronomer at the Royal Observatory Greenwich, said: “The eclipse will be visible across the UK, as well as much of Europe and Central and South Asia.

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“The amount of obscuration you will see will depend on where you are on Earth.”

He added: “Even if some of the sunlight is blocked, it won’t get noticeably darker in the UK during the eclipse.”

The partial eclipse will end at 11:51 am in London.

Dr Massey said looking directly at the Sun can cause serious eye damage, even when a large fraction of the solar disk is blocked.

It is also unwise not to look at the Sun through binoculars, telescopes, or a telephoto lens on an SLR camera.

He added: “The simplest way to look at an eclipse is to use a pinhole in a piece of paper.

“An image of the Sun can then be projected onto another piece of paper behind it (experiment with the distance between the two, but it should be at least 30cm).

“Under no circumstances should you look through the pinhole.”

Dr. Massey said that another popular method used to visualize an eclipse is the mirror projection method.

He said: “You need a small flat mirror and a means of placing it in the sun so that it reflects sunlight into a room where you can see it on a wall or some sort of flat screen.

“You may also have eclipse glasses with a certified safety mark and these are available from specialist astronomy suppliers.

“Provided these are not damaged in any way, you can then see the Sun through them.”

Binoculars or telescopes can also be used to project the image of the Sun.

Dr Massey said: “Mount them on a tripod and insert a piece of paper with a hole over the eyepiece and place another between 50cm and one meter behind it.

“Point the telescope or binoculars at the Sun and you should see its bright image on the separate tab.”

For those wishing to follow the event, Greenwich Royal Observatory will stream the eclipse on its website and YouTube channel.

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