For example, a main useful one would be Quora. Are they considered reliable. What if the answer has sources. Then can we it or do we look at the sources? How about if it is unsourced?
Making its first military launch since November, Russia’s Soyuz-2.1a rocket has deployed Kosmos 2567 –… The post Russia’s Soyuz-2.1a launches Bars-M reconnaissance satellite appeared first on NASASpaceFlight.com.