Blood moon and close approach of Mars will paint the sky red

29 July, 2018, 18:13 | Author: Patty Aguilar
  • Longest lunar eclipse of century expected to visible in Pakistan

Lunar eclipses can only occur during a full moon when the sun fully illuminates the surface. That's a full 1 hour 43 minutes, which is just four minutes shy of the longest total lunar eclipse possible, according to EarthSky.

The next time there is a total lunar eclipse this long will not be until June 9, 2123.

Amateur astronomers in the southern hemisphere will be best-placed to enjoy the spectacle, especially those in southern Africa, Australia, India and Madagascar, though it will also be partly visible in Europe and South America.

Total lunar eclipse, blood moon on July 27: Three celestial events will play out simultaneously in the night sky: a total lunar eclipse, a blood moon. Because the earth's atmosphere is most transparent for the rays of red-orange part of the spectrum, these rays reach the surface of the moon during the Eclipse, so he turns red.

"It is occurring at a time when the moon is at its farthest distance from the earth and so it will be the longest total lunar eclipse in this century".

Friday's lunar eclipse will be particularly special as it is the longest total lunar eclipse of the 21st century.


Some parts of North-east India may not be able see the entire lunar eclipse.

Unlike a solar eclipse, both the eclipsed moon and Mars can be viewed safely without eye protection. This happens because the sunlight refracted by the Earth's atmosphere hits the darkened moon.

Certainly the star of the show, this month's total lunar eclipse is joined by an opening act: Mars is expected to be very close to the eclipsed Moon on July 27 and 28, making it easy to spot with the naked eye (weather permitting). These events will play out simultaneously over the night sky, on the final hours of July 27, and the early hours of July 28. The moon will take on a red or brown colour during a selenelion because it will be eclipsed by the earth. This is the reason why lunar eclipses appear red. But during a lunar eclipse, the glow of the moon has a much less intense brightness than the sun.

"However instead of turning black as you might expect, the atmosphere of the Earth bends the light of the sun onto the moon causing it to turn a deep red colour".

"This smaller and slower-moving full moon takes more time to cross the Earth's shadow than does a full moon that is closer to Earth and moving faster in orbit". The celestial event, where the moon will line up with the Earth and the sun, will be seen across the United Kingdom and other parts of the Eastern hemisphere.

As if that was not enough, sky-watchers should get a glorious view of Jupiter in the south-west and have a chance of catching the International Space Station (ISS) sailing overhead.

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