ibusinesslines.com
ibusinesslines.com October 21, 2018


Longest Lunar Eclipse of the Century

27 July 2018, 03:42 | Justin Tyler

A lunar eclipse is when the sunlight's path to the moon is blocked by the Earth, with the moon falling in the Earth's shadow.

At just about one hour and 43 minutes, it will be the longest total lunar eclipse of the 21st century, according to EarthSky. It only reflects the light it gets from the Sun.

Near to the reddish lunar eclipse, Mars will also be looking fairly spectacular. "The eclipse will last for 103.6 minutes", Ratnashree said. "The moonlight will recede gradually, it will be like dimming in and out of the moon over the entire period". Mars will shine brighter than it has in 15 years.

According to QCH experts lunar eclipses can be seen with naked eye unlike solar eclipses, which need to be looked at using eclipse glass or filters.

"All you have to do is... go outside!" the Royal Astronomical Society in London advises.

Sometimes they are penumbral eclipses, where the moon passes through Earth's fainter outer shadow, which isn't quite visible to the human eye.

The world will on Friday experience a rare spectacle of the longest lunar eclipse in the 21st century.

Fearing the jaguar would come down to earth to continue its assault, people would throw spears at the moon and create noise to scare it away.

"Dark red, intense or coppery, it's hard to predict", Pascal Descamps, astronomer at the Paris Observatory told BFM TV.

At the same time, Mars will be traveling closer to earth than it has been since 2003, so some observers may be able to see what looks like an orange-red star - and is in fact the red planet.


The eclipse will be visible in the regions covering Australia, Asia, Russia - except the northern part, Africa, Europe, east of South America and Antarctica.

The Royal Astronomical Society said that Mars and the moon will appear low in the sky for everyone in the United Kingdom, so a location with an unobstructed southeastern horizon will afford the best view.

The total lunar eclipse happens when the moon passes through the middle of the Earth's shadow, making it darker than it is during the partial eclipse, when the moon is in the Earth's shadow but not in the shadow's middle (which is darker than it is on either side).

During a total eclipse, sunlight shining through Earth's dusty atmosphere is bent, or refracted, toward the red part of the spectrum as it is cast onto the moon's surface.

Galloway Forest Dark Sky Park, Sark Dark Sky Island and Exmoor Dark Sky Reserve have all been recognised for their low level of light pollution as the best spots in Britain to catch the rare blood moon.

However, there are rarely total eclipses, when both the moon is full and the Earth completely blocks the sun.

Where will the eclipse be visible? .

The moon will begin to move into the penumbra - the fuzzy outer edge of the Earth's shadow - at 17:14 GMT.

It's also what's being called a "blood moon". At this time, Mars will be just 58 million kilometres from the Earth.

When Mars happened to be closest to the Sun in its orbit, which occurred within a few weeks of opposition, a "perihelic opposition" resulted, and Mars appeared even bigger and brighter. Astronomers, though, said there was no cause for worry. The next time totality lasts that long will be on June 9, 2123.



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