[caption id="attachment_2596" align="alignright" width="300"]
Liftoff of the Ariane 5 rocket from the Guiana Space Centre in Kourou, French Guiana, at 5:20 p.m. EST, Thursday, Jan. 25, 2018. (Courtesy Arianespace)[/caption]
NASA’s first mission to provide unprecedented measurements of, and changes in, the temperature and composition of Earth’s upper atmosphere launched...
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![](https://gold.cs.ucf.edu/wp-content/uploads/2018/02/gold_liftoff-300x200.jpg)