Yahoo News allowed left-wing activism to take over its climate coverage Friday by publishing an article claiming global warming is making the day a microsecond longer.
Yahoo got the article from the social justice website TakePart.com. According to its website, TakePart.com “is the digital division of Participant Media,” the company behind the left-wing documentaries “CITIZENFOUR,” “An Inconvenient Truth,” and “Food, Inc.” The website covers “socially relevant topics, alongside a social action platform.”
The Yahoo article claims carbon dioxide emissions have heated up the atmosphere enough to melt glaciers. The movement of the water from glacial ice into the ocean will have a very slight effect of the rotation of the Earth. It ominously predicts that global warming already “added a microsecond to the course of a day over the 20th century.” It conveniently forgets to mention that a microsecond is one-millionth of a second.
The article is allegedly based on a study published in Science, but the link on Science is already dead.
The Earth’s rate of rotation has slowed over the last 3,000 years based on ancient eclipse observations. Since 500 B.C.E. the Earth’s rotation has “slowed” down, with a total loss of only 16,000 seconds, or about 4.5 hours, over the entire time period. Evidence from ancient coral suggests that 350 million years ago, the planet’s day/night cycle was only 23 hours long leading to a year of 385 days. Six hundred and twenty million years ago, a full rotation of Earth took only 21.9 hours and a year was 400 days long.
Earth spins on an axis tilted 23.5 degrees from the vertical. However, this angle is far from constant and the planet’s axis constantly shifts in response to changes in the distribution of mass around the Earth. This can change the length of a day over long periods of time.
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