DIVISION OF PHYSICAL SCIENCES [EDUCATION]

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	A new crystal stucture of an RNA aptamer (protein binding oligonucleotide) with the transcription factor NF-kB marks the first time that both RNA- and DNA-bound structures of the same transcription factor have been known. The structure-- determined and analyzed by L. James Maher III of the Mayo foundation, in Rochester, Minn.; Gourisankar Ghosh of the University of California, San Diego; and coworkers-- could aid in the design of aptamers for gene regulation. Read Article >> Image credit: Gourisankar Ghosh Research Group
Image credit: AFRL/NASA/UCSD A composite image of the sky obtained from image frames put together from one 100-minute orbit of the Solar Mass Ejection Imager. The dark areas are regions not covered by individual image frames during the orbit. The Milky Way can be observed looping around from the left part on the image to just right of the Sun that is centered in the composite.	UCSD Physicist Bernard Jackson designed the Solar Mass Ejection Imager (SMEI) which was installed on the Coriolos spacecraft and launched on Titan II from Vandenberg AFB. SMEI has been 15 years in the making and has begun to send back unique images of space. SMEI is a joint NASA/AFRL funded project. Read more >>
	Image credit: AFRL/NASA/UCSD SMEI installed on the Coriolis spacecraft.
	Image credit: AFRL/NASA/UCSD Titan II launch, carrying Coriolis and SMEI, from Vandenburg AFB January 6, 2003.
Image Credit: Alexei G. Kritsuk, Michael L. Norman (UCSD)	Energized "Heartbeats" May Explain Why Galaxies Are Continually Stirred Up: Read article Click here for movie simulation and more images The image generated by a supercomputer simulation bears similarities to a telescope image of a cloud of gas being heated by bright, massive stars in the Large Magellanic Cloud, a nearby galaxy. In the simulation image, cold, high-density gas is blue; warm low-density gas is red; and intermediate density and temperature gases are light blue, green and yellow. In the image of a the 30 Doradus nebula warm, diffuse gas is green; cold, dense gas is brown; and regions with no gas are black. Credit: Alexei G. Kritsuk, Michael L. Norman (UCSD) NASA, N. Walborn (STScI), J. Maiz-Apellániz (STScI), and R. Barbá (La Plata Observatory, Argentina).
Image Credit: Alexei G. Kritsuk, Michael L. Norman (UCSD)
Credit: Left: X-ray (NASA/CXC); Right: Illustration (CXC/M.Weiss) JPEG (88 k) , Tiff (1.8 MB), PS (6.9 MB) Further observations with Chandra and radio telescopes detected first one jet (left), then another opposing jet (right) of high-energy particles moving away from the black hole at about half the speed of light. Four years after the outburst, the jets had moved more than 3 light years apart with the left jet slowing down and disappearing.	Images taken by NASA's Chandra telescope have allowed scientists to trace the evolution of X-ray jets produced by a black hole, with the help of UCSD astrophysicist, John A. Tomsick.An outburst of X-rays from the source, XTE J1550-564, was detected by NASA's Rossi X-ray Timing Explorer (RXTE) in 1998. Read article >>
	XTE J1550-564 Time-Lapse Movie

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