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How to know your eclipse glasses are safe | | Unscrupulous companies are printing ISO certification labels on fake eclipse glasses. How to know what's safe. If you purchased glasses from EarthSky, yes, they are from a reputable vendor, Rainbow Symphony. | | |
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No Earth-like atmosphere for Proxima b | | It's the nearest exoplanet and in its star's habitable zone. But a new study suggests radiation from its star would drain an Earth-like atmosphere 10,000 times faster than on Earth. | | |