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'There really are no answers —
only a never-ending chain of questions that,
when answered, lead to other questions."
Their work is a study in contrasts. At Brookhaven National Laboratory the talk is of
accelerators that can boost the energy level of protons to hundreds of billions of electron
volts. At National Radio Astronomy Observatory scientists study radio emissions from
space that are as small as a millionth of a billionth of a watt.
NRAO's huge parabolic antennas probe the sky for radio signals from sources
light-years away - a light-year is the distance light travels in one year, or about six
trillion miles- while Brookhaven researchers probe the inner universe of atomic struc-ture
itself in a determined effort to find the smallest particles that make up all matter.
Pin ltd ahove: Contour lines representing radio emissions from the Crab Nebula confirm
general configuration of the optical photograph of the nebula, which is the result of an explosion of a
star The radio waves are emitted by high-energy electrons produced during
the explosion of the star located some 5,000 light-years from earth
Associated Universities. Inc.