15K views · 206 reactions | Why do launches happen at odd times of day? Why can we launch to planets only in certain years? Our latest Rocket Science in 120 explains. | United Launch Alliance | Facebook

5.9K views · 272 reactions | Liftoff No. 1!  The first sounding rocket for this morning’s mission launched at 7 a.m. EST. The second rocket is scheduled to launch within the next half hour. Stayed tuned for the next launch time. The launches will test a new capability for supporting science research in Earth's atmosphere. https://www.youtube.com/live/y4clG3OhM7w?feature=share | NASA's Wallops Flight Facility | Facebook

7.5K views · 101 reactions | Erika Alvarez is the Lead Systems Engineer for NASA's Space Launch System — so what does a lead systems engineer do? Get the details and learn more about SLS in our newest episode of NASA's Rocket Science in 60 Seconds! go.nasa.gov/2WPOGgf | NASA's Marshall Space Flight Center | Facebook