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 Structure of the Universe (3266)
This three-color image of galaxy M101 was taken by NASA's Galaxy Evolution Explorer on June 20, 2003.

Members of the Structure of the Universe Group (3266) work on a wide range of challenging problems associated with the evolution of galaxies and the formation of stars and solar systems from the early universe to the present time. This includes dark energy that is affecting the large-scale evolution of the universe.  Group members study galaxies at high red shifts, looking back to see active star formation that was occurring billions of years ago. The nuclei of active galaxies are regions of special interest that can be observed using infrared through X-rays as tracers of the unusual conditions there. And in our own galaxy, Scientists in 3266 trace star formation in interstellar clouds by observing atomic and molecular gas.  Group members also study brown dwarf stars near to the sun and Near-Earth Objects within our solar system. 

Key science questions our group is focused to addressing include:

  • How did galaxies and clusters of galaxies form in the early universe and how have they evolved over cosmic time?What controls the rate of star formation in galaxies, and how does this relate to critical aspects of molecular clouds in which new stars are formed?
    • When and how did central black holes form and how do they affect their host galaxies?
    • What results in ultra- and hyper-luminous galaxies that outshine the Milky Way by a factor as much as 1014 ?
  • What is the nature of dark energy and how can it be traced by astronomers using upcoming space missions?
  • What is the nature and number of Near Earth Asteroids and other minor bodies in the solar system?

Structure of the Universe: Missions and Projects

Spitzer Euclid ACES GUSTO
NuStar WFIRST MicroSCOPE SOFIA
NEOWISE NEOcam STO2  

The scientific expertise and research activity of the group members include:

This group utilizes a range of ground-based instrumentation, suborbital platforms, and space observatories at optical through submillimeter wavelengths. Facilities employed include NuSTAR for collecting X-ray data, Palomar for optical observations, Spitzer and NEOWISE for infrared observations, and STO2 & GUSTO (balloons), together with SOFIA (airborne) as well as Planck and Herschel for millimeter, submillimeter, and far-infrared data.  Fundamental physics and precision navigation are part of the science activities of group members, whose activities also include development of new types of detectors and system, ranging from radio receiving systems for the DSN to new submillimeter spectrometers.  Their expertise extends to JPL and beyond through group members serving as Project Scientists on a number of missions, including WISE, NEOWISE, NuSTAR, MicroSCOPE, ACES, and Herschel.  Group members are actively involved in the development of new mission concepts in different categories covering a range of wavelengths and different science goals.


People in this Group
Group Projects

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