But they can be perfectly appropriate for missions that aren't going to do any of those things, such as leaving a relay or telescope in space indefinitely. Unmanned command modules can also be useful for vehicles that will only sometimes have a kerbal present, so that you can control the ...
The world's biggest club soccer tournament is about to be underway. To make sure you catch every match of the Champions League, we've rounded up all of the best ways you can watch the action online without cable. The good news is that it's pretty easy to stream every game live in ...
Photo of stellar swarm M80 (NGC 6093), a dense star cluster in the Milky Way galaxy, taken by the Hubble Space Telescope and courtesy of NASA on the Commons.If you want to understand space rockets, you need to understand space.Strapped to your rocket, whistling your way to the stars, ...
Crumbley offers a story from building theChandraX-Ray Observatory space telescope. "We found during on-the-ground testing that the Chandra spacecraft data bus was sending out random bits, which in the correct order could result in a valid command. So we were occasionally getting an extra comm...