InSight, the latest Mars lander, fires its braking engines as it descends toward the planet’s surface in this artist’s concept. InSight is scheduled to land on November 26. If all goes well, it will deploy instruments to listen for marsquakes and measure the planet’s interior heat. The observations should provide a better picture of Mars’ structure and history. [NASA/JPL]
Find out more in our radio program entitled Challenging Arrival.