2A NASA ion engine while under test at the Glenn Research Center. It can propel spacecrafts to speeds of up to 320,000 km per hour(i.ibb.co)posted 7 months ago byBlaze@reddthat.comin interestingasfuck@lemm.eeView comments0 commentssavehidereportSource: https://en.wikipedia.org/wiki/NEXT_(ion_thruster) Sort:HotTopControversialNewOldWritePreviewBiSubmitNo comments yet!