Friday night will see the longest total lunar eclipse so far this century. "It's called a blood moon because the light from the sun goes through the Earth's atmosphere on its way to the moon and the Earth's atmosphere turns it red in the same way that when the sun goes down, it goes red".
While other colours in the spectrum are blocked and scattered by the Earth's atmosphere, red light tends to make it through easier.
Skywatchers will be focusing on the moon this weekend to watch the longest total lunar eclipse of the century, also known as a blood moon. The light of all the sunsets and sunrises occurring simultaneously is reflected off the moon, making it seem red.
When is chandra grahan/lunar eclipse in India?
The eclipse will be witnessed as far as Chile and New Zealand, but the United States and Canada will miss out on a glimpse of the rare lunar spectacle.
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So where can you see the total lunar eclipse?
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.
"Since the moon is bright anyway, you'll be able to see it regardless of light pollution, but to see the planets Venus, Jupiter, Saturn, and Mars nearly in line with the moon, you'll want a nice dark spot where light from the city or streets does not pollute the sky too much", Knowles said. A binocular, however, will give a better view of the spectacular celestial event. Lunar Eclipse and Solar Eclipse, referred to as Chandra Grahan and Surya Grahan respectively, hold special significance in the Hindu calendar.
So, from the United Kingdom and Europe, the south-east will be the place to look for the rising, eclipsing Moon with bright red Mars below.
What other events coincide with Total Lunar Eclipse? It will remain very close to the eclipsed moon and can be spotted easily with the naked eye.
Nasa astronomers are using the opportunity to take detailed observations of Mars and its global storms and are expected to release new images on Friday.
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