Yearly Archives: 2020

PurpleAir, Ernov, IQR, West U.S. Required in

In the Purple Air air-quality map on Friday, September 11, 2020, most parts of the west coast are shown with dangerous levels of pollution from wildfire smoke. Screenshots As record fires wreak havoc in the western United States, they are releasing large amounts of smoke and ash into the atmosphere, …

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China says Mars probe frozen; No word on reusable spacecraft

On July 23, 2020, a file photo released by China’s Xinhua News Agency, the Tianwen-1 Mars Long March 5 rocket, was taken from the Wenchang Space Launch Center in southern China’s Henan Province. China’s Mars probe Tianwen-1, which exploded in space in July, is now more than 15 million kilometers …

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