HIRMES: SOFIA's latest high-resolution Mid-infrared Spectrometer

SOFIA is a unique NASA mission that combines the capabilities of a satellite and an Earth-based observatory. It features an infrared telescope on a 747SP jet, allowing it to fly above most water vapor that blocks infrared light. SOFIA's instruments can be upgraded, enhancing its capabilities. The HIRMES instrument, developed by NASA's Goddard Space Flight Center, will improve SOFIA's sensitivity to far infrared wavelengths, aiding in the study of planet formation. HIRMES requires extremely cold detectors to function, and SOFIA's design minimizes vibration to prevent image blurring. By observing protoplanetary disks, HIRMES will help locate water vapor and ice transitions, providing insights into exoplanet composition.

What is the primary advantage of SOFIA's instruments compared to those on satellites?

• They are more powerful.

• They can be upgraded and replaced.

• They are smaller in size.

• They are cheaper to produce.

What is the main purpose of the HIRMES instrument?

• To measure specific far infrared wavelengths.

• To take high-resolution pictures of stars.

• To analyze visible light from nearby planets.

• To detect radio waves from distant galaxies.

Which element is NOT mentioned as being measured by HIRMES?

• Water

• Carbon

• Oxygen

• Hydrogen

Why must HIRMES's detectors be extremely cold?

• To increase their size.

• To make them more durable.

• To avoid interference from their own heat.

• To prevent them from melting.

What challenge does SOFIA's design help overcome during observations?

• High altitude winds.

• Vibrations from the aircraft.

• Radio interference.

• Limited fuel capacity.