NASA | MAVEN Imaging Ultraviolet Spectrograph

Ian Stewart, a senior research scientist, discusses his work on the MAVEN mission to Mars, focusing on the Imaging Ultraviolet Spectrograph. The mission aims to understand how Mars' atmosphere has escaped into space, using advanced instruments to analyze atmospheric composition and temperature. Stewart reflects on his career, linking past missions to current efforts in studying Mars.

What is the primary goal of NASA's Mars program as mentioned in the video?

• To explore the surface of Mars

• To follow the water

• To find signs of life

• To study Mars' moons

What is the main purpose of the MAVEN mission's instruments?

• To analyze the soil composition

• To measure the gravity of Mars

• To study the escape of gases from Mars

• To capture images of Mars

What unique capability does the Imaging Ultraviolet Spectrograph have?

• It can differentiate between hydrogen and deuterium

• It can send data back to Earth instantly

• It can detect life on Mars

• It can measure the gravity of Mars

Why is measuring the ratio of heavy hydrogen to light hydrogen important?

• It helps in determining the age of Mars

• It provides insights into the amount of water lost from Mars

• It reveals the presence of life

• It helps in understanding Mars' magnetic field

Which missions did Ian Stewart work on at the beginning of his career?

• Curiosity Rover

• Pathfinder

• Mariner 6 and 7

• Viking 1 and 2