Q&A with Michel Denis, ExoMars flight director

It will take more than 12 hours from liftoff of the European Space Agency’s ExoMars Trace Gas Orbiter until engineers verify the mission is on track for Mars after a series of critical in-space maneuvers by the Proton rocket’s Breeze M upper stage.

Josef Aschbacher, head of ESA’s Earth observation programs, recently spoke with Spaceflight Now about the importance of the Sentinel 5P satellite mission designed for air quality measurements from space, and discussed increasing data usage from Europe’s Copernicus environmental network, and plans to expand the flagship Earth observation fleet.

Two days after launch from Kazakhstan, a Russian Soyuz ferry ship glided to a smooth docking with the International Space Station Saturday, bringing a veteran cosmonaut, a Frenchman making his first flight and NASA’s most experienced female astronaut to the lab complex.