NASA @NASA
A sounding rocket is targeted to launch Jan. 4 from @NASA_Wallops in Virginia to help us better understand the source of low-energy X-rays that bombard Earth every day. Here's how you can see the launch, weather-permitting: https://t.co/GPl75tb2Ib https://t.co/H5dLQ8DUcy — PolitiTweet.org