Slowed by skimming through the very top of the upper atmosphere, ESA’s ExoMars has lowered itself into a planet-hugging orbit and is about ready to begin sniffing the Red Planet for methane.
Slowed by skimming through the very top of the upper atmosphere, ESA’s ExoMars has lowered itself into a planet-hugging orbit and is about ready to begin sniffing the Red Planet for methane.