We are #SpaceEnablers. We build the most reliable launch vehicles and we are developing Ariane 6. Get your space gear! 
http://bit.ly/SpreadshirtAri …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
We’re kicking off this month’s ArianeFacts with a basic requirement for sending satellites into orbit 300 km above the Earth’s surface. Why not explain your choice for the non-scientists in our group?
#ArianeGroup #SpaceEnablerspic.twitter.com/YkbrNRuglg
Like a badminton shuttlecock, the faster a flies, the longer it will maintain its altitude. To compensate for the 
’s gravitational pull, it must reach a speed that depends on its altitude. i.e: to remain stationary 300km above the Earth’s surface, it must be moving at 
pic.twitter.com/PwuqMxfdBq
