J. Garrett Jernigan was an American physicist and astronomer who has made notable contributions to space astronomy, particularly in the areas of

X-ray An X-ray, or, much less commonly, X-radiation, is a penetrating form of high-energy electromagnetic radiation. Most X-rays have a wavelength ranging from 10 picometers to 10 nanometers, corresponding to frequencies in the range 30&nb ...

and

infrared Infrared (IR), sometimes called infrared light, is electromagnetic radiation (EMR) with wavelengths longer than those of visible light. It is therefore invisible to the human eye. IR is generally understood to encompass wavelengths from around ...

instrumentation.ROSSI X-Ray Timing Explorer
"Giant X-ray Bubbles" He received his Ph.D. at MIT, where he worked on the SAS 3 X-ray astronomy satellite. After leaving MIT he moved to

UC Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public university, public land-grant university, land-grant research university in Berkeley, California. Established in 1868 as the University of Californi ...

, where he has worked in many areas of

astronomical instrumentation Astronomical instruments include: *Alidade *Armillary sphere *Astrarium *Astrolabe *Astronomical clock *the Antikythera mechanism, an astronomical clock *Blink comparator *Bolometer *the Canterbury Astrolabe Quadrant *Celatone *Celestial sphere *C ...

, observation, and theory. He currently advises the CubeSat program at

Sonoma State University Sonoma State University (SSU, Sonoma State, or Sonoma) is a public university in Rohnert Park in Sonoma County, California, US. It is one of the smallest members of the California State University (CSU) system. Sonoma State offers 92 Bachelor's d ...

References

Year of birth missing (living people) Living people Massachusetts Institute of Technology alumni University of California, Berkeley staff {{US-physicist-stub