What scientific instrument aboard the Hope Probe measures ultraviolet emissions to track the loss of hydrogen and oxygen from the upper Martian atmosphere?
Answer and explanation
Correct answer: B. Emirates Mars Ultraviolet Spectrometer (EMUS)
- Step 1: Differentiate between the three scientific instruments onboard the Hope spacecraft.
- Step 2: EMUS (Emirates Mars Ultraviolet Spectrometer) measures UV wavelengths to map hydrogen and oxygen distribution in the exosphere, explaining how Mars lost its ancient water and atmosphere.
Answer
Emirates Mars Ultraviolet Spectrometer (EMUS).
Why not the others: EXI is a multiband camera imaging dust, ice, and ozone; EMIRS is an infrared spectrometer measuring temperature and water vapor; Alpha Particle X-Ray Spectrometers are rover contact tools.
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