He pointed out that the moon's appearance greatly depended on atmospheric conditions around the Earth at the time of the eclipse.
At the same time, Mars will hang just below the moon and shine brighter than it ever has in 15 years. Cloudy skies could play spoilsport for those who are interested in watching the total lunar eclipse. The moon will start to turn red from about 5.30am. Dr Gregory Brown, of the Royal Observatory Greenwich, said: "We miss a section of the eclipse due to the moon being below our horizon when it starts".
This makes the moon appear red to people on Earth. Additionally, the eclipse will only be visible from Australia as it is beginning and from South America as it is ending.
Scientists say the longest total lunar eclipse of this century will grace the night sky on Friday, turning the moon a reddish color. We'll be treated to the cosmic display for nearly two hours; experts reckon the Blood Moon will last approximately one hour and 43 minutes in total.
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The moon will turn a deep red colour During the eclipse, the moon will pass through the umbra - the darkest part of the Earth's shadow - and take on a red glow.
This month, the world is going to observe the longest Lunar Eclipse of the century, on July 27th 2018.
In the USA, the lunar eclipse will start around 1:14 p.m. ET, and the maximum period of totality will start around 4:21 p.m. ET, making it too light outside for the blood moon to be visible, Petro said. Although the viability of that claim is starting to wane, given that we've seen lunar eclipses previously on 14 April and 8 October 2014 as well as 4 April and 28 September 2015, and we're still knocking about. Asia, Indonesia and Australia will see it between midnight and sunrise Saturday. The first phase of the lunar eclipse is expected to set in from 11:54 pm. Putting to rest all apprehensions about the risks associated with viewing the eclipse with a naked eye, Duari said, "No special filters are required to protect our eyes like those used for watching solar eclipses".
Lunar eclipses also only take place when the moon is full. This will result in Mars coming close to the Earth, causing it to appear brighter than normal and it will be seen from evening to dawn towards the end of July.