LIVE: Researchers talk about @ISS_Research launching tomorrow to the @Space_Station aboard @NorthropGrumman’s #Cygnus spacecraft. Time-sensitive experiments will be loaded just 24 hours before liftoff, a 1st for this mission. Watch: https://t.co/EH7TCL39fr. Ask ?s using #AskNASA pic.twitter.com/leErz4aZSj

— NASA (@NASA) April 16, 2019