My Thanks to Starstorm for the links tonight
https://en.wikipedia.org/wiki/NE​RVA
https://en.wikipedia.org/wiki/Io​n_thruster
 http://www.spacex.com/mars
https://www.youtube.com/user/NAS​Atelevision
https://www.youtube.com/user/spa​cexchannel
https://www.youtube.com/user/ESA

https://www.amsmeteors.org/2018/​01/meteor-activity-outlook-for-ja​nuary-13-19-2018/