The mission was initially scheduled for Saturday but was aborted after a rendezvous system, known as Kurs, malfunctioned
And it also has a name: Fedor
It was launched from the Baikonur cosmodrome to the International Space Station (ISS) earlier in the day
Scientists said the ash could have reached an altitude of 8 to 10 miles
Microbes are known to survive and even thrive in extreme environments
"It almost looks like a big, semi-transparent planet", but is it so?...
Once in space, it will dock with the ISS, transfer cargo, then fly back to Earth
The astronauts' quick identification and repair of the hole demonstrated the crew was ready for any developments