Wednesday, January 31, 2018

Jan 31 - High Tides

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Tides and the pull of the moon and sun
Expect higher-than-usual tides in the days following Wednesday's supermoon.
January 31 is 1st of 2 Blue Moons in 2018
According to modern folklore, the second of 2 full moons in a month is called a Blue Moon. In 2018, we have 2 of those! How often it happens, here.
Today in science: Launch of Explorer 1
Today is the 60th anniversary of the United States' 1st step into space with its Explorer 1 satellite. The launch helped fuel the space race and led to the discovery of the Van Allen radiation belts.
Why space radiation won't stop human space exploration
Videos and links related to potential health effects to astronauts from space radiation, plus solutions and countermeasures.
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January 31 is 1st of 2 Blue Moons in 2018
Blue moons don't really look blue in color. Greg Hogan created this shot of a Blue Moon (blue in name only!) on July 31, 2015. He wrote: "Having some fun with the blue moon idea......I blended the same image twice one with a blue tint, and one normal. :)"
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Double moon halo
Josh Blash in Hampton, New Hampshire captured this common 22-degree lunar halo, with a rarer 9-degree lunar halo inside it, on January 28, 2018. 
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