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Solar X-rays:

Geomagnetic Field:
Neuroblastoma Kids Web Site
This graphic depiction compares our solar system with a newfound
planetary system, 55 Cancri. The new system has a larger-than-Jupiter-mass
planet in an orbit similar to the orbit of our Jupiter. Another large gaseous
planet orbits closer to 55 Cancri. Image courtesy NASA/JPL. 
Cluster of burned-out white dwarf stars as seen by the Hubble Telescope
are 12 to 13 billion years old. Since the first stars formed less than 1 billion
years after the universe began in a big bang, these oldest stars finally give a pretty
precise clock on this universe's age: 13 to 14 billion years. The Earth and its
solar system are 4.5 billion years old. Images courtesy NASA
and H. Richer, University of British Columbia.
A Puzzling star
RX J1856, a star of unknown matter 400  light years from earth. Image courtesy  NASA/SAO/CXC/J.Drake et al.
Four hundred light years from earth,  the star known as RX J1856 in the  constellation Corona Austrina  "radiates like a solid body with a  temperature of 700,000 degrees Celsius  and has a diameter of about 7 miles,"  according to NASA's Chandra X-Ray  Observatory and Hubble Space Telescope  data. The startling theory is that the  star is collapsed and its matter is  denser than nuclear matter, the most  dense matter found on earth. Since the  star's size is so small, "This raises  the possibility that these stars are  composed of free quarks or crystals of  sub-nuclear particles rather than  neutrons. In other words, the neutrons  in the puzzling star might have  dissolved into an extremely dense soup  of 'up,' 'down' and 'strange' quarks  to form a 'strange quark star.'"
Five Planets Line Up Over Stonehenge
Jupiter is the brightest point in the upper  left. The triangle above one of Stonehenge's  horizontal stones is formed by Saturn (left),  Mars (top), and Venus (right). Smaller, dimmer  Mercury is below and to the right of the  triangle. Beginning Monday, May 13, this  planetary grouping will be joined by the  crescent moon. The last moon and planet line-up  like this one was in February 1940.
Photograph © 2002 by Philip Perkins, courtesy  NASA.
Another Solar System Like Ours?
Hubble Finds Oldest Stars,
Universe 13 to 14 Billion Years Old
Coast to Coast AM with George Noory