Asteris Masouras 正义 Retweeted NASA
We’re screwing it up fast & we don’t have an alternative. That’s all you need to know on #EarthDay18https://twitter.com/nasa/status/988100400690720768 …
Asteris Masouras 正义 added,
NASAVerified account @NASA
Earth's atmosphere contains the perfect balance of ingredients for life to breathe and exist: 78% nitrogen, 21% oxygen, 1% other. See how we use spacecraft, airborne missions & research on the ground to understand & protect the air we breathe: https://go.nasa.gov/2Jjt8gW #EarthDay pic.twitter.com/UdT0Bu25ep
12:40 PM - 22 Apr 2018
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