Blood moon has some expecting end of the world

By Todd Leopold, CNN

Updated 1514 GMT (2314 HKT) September 24, 2015

A "blood moon" rises over the El Salvador del Mundo monument in San Salvador early Tuesday, April 15, 2014, as a total lunar eclipse attracts sky gazers across the Americas. In a total lunar eclipse, the full moon turns a coppery red as it passes into Earth's shadow. "It's like seeing all the sunsets on Earth projected on the moon at once," says Indra Petersons of CNN's "New Day."
Photos: 2014 Photos: 'Blood moon' sweeps night sky
'Blood moon' sweeps night sky – A "blood moon" rises over the El Salvador del Mundo monument in San Salvador early Tuesday, April 15, 2014, as a total lunar eclipse attracts sky gazers across the Americas. In a total lunar eclipse, the full moon turns a coppery red as it passes into Earth's shadow. "It's like seeing all the sunsets on Earth projected on the moon at once," says Indra Petersons of CNN's "New Day."
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The moon is seen from Miami before the beginning of the total lunar eclipse. The blood moon was most prominent in North and South America.
Photos: 2014 Photos: 'Blood moon' sweeps night sky
'Blood moon' sweeps night sky – The moon is seen from Miami before the beginning of the total lunar eclipse. The blood moon was most prominent in North and South America.
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Another shot from Miami. Showers and clouds rendered viewing the blood moon a bust in some U.S. cities.
Photos: 2014 Photos: 'Blood moon' sweeps night sky
'Blood moon' sweeps night sky – Another shot from Miami. Showers and clouds rendered viewing the blood moon a bust in some U.S. cities.
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Dust and sulfur dioxide in the Earth's atmosphere can affect the size of the shadow spreading across the moon's surface.
Photos: 2014 Photos: 'Blood moon' sweeps night sky
'Blood moon' sweeps night sky – Dust and sulfur dioxide in the Earth's atmosphere can affect the size of the shadow spreading across the moon's surface.
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The moon has to be full for the total lunar eclipse to occur.
Photos: 2014 Photos: 'Blood moon' sweeps night sky
'Blood moon' sweeps night sky – The moon has to be full for the total lunar eclipse to occur.
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The Earth's shadow crosses over the last bit of reflected light on the moon's surface.
Photos: 2014 Photos: 'Blood moon' sweeps night sky
'Blood moon' sweeps night sky – The Earth's shadow crosses over the last bit of reflected light on the moon's surface.
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The moon begins to take on a reddish hue early Tuesday from Miami. The moon did so as it appeared in different phases between 2 and 4:30 a.m. ET.
Photos: 2014 Photos: 'Blood moon' sweeps night sky
'Blood moon' sweeps night sky – The moon begins to take on a reddish hue early Tuesday from Miami. The moon did so as it appeared in different phases between 2 and 4:30 a.m. ET.
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