The best of EcoWatch, right in your inbox. Sign up for our email newsletter!
We've all heard the expression "once in a blue moon," but have you ever stopped and thought to yourself, "What is a blue moon?" and "How rare are they actually?"
Well, a blue moon happens when there are two full moons in one month. The second one is called a blue moon, and they happen about every three years, according to the National Oceanic and Atmospheric Administration. The first full moon of this month was on July 2 and the next will be this Friday, July 31.
You're next question is probably "Is the moon actually blue?" The answer: Not usually, but it can happen. Though red "blue moons" are far more common than blue "blue moons." So what's the deal with blue moons?
Watch this video from Science@NASA to find out:
YOU MIGHT ALSO LIKE
EcoWatch Daily Newsletter
In a new report about how the world's coral reefs face "the combined threats of climate change, pollution, and overfishing" — endangering the future of marine biodiversity — a London-based nonprofit calls for greater global efforts to end the climate crisis and ensure the survival of these vital underwater ecosystems.
The world is using up more and more resources and global recycling is falling. That's the grim takeaway from a new report by the Circle Economy think tank, which found that the world used up more than 110 billion tons, or 100.6 billion metric tons, of natural resources, as Agence France-Presse (AFP) reported.
By George Citroner
- Recent research finds that official government figures may be underestimating drug deaths by half.
- Researchers estimate that 142,000 people died due to drug use in 2016.
- Drug use decreases life expectancy after age 15 by 1.4 years for men and by just under 1 year for women, on average.
Government records may be severely underreporting how many Americans die from drug use, according to a new study by researchers from the University of Pennsylvania and Georgetown University.