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D.F. de Mello (GSFC/CUA), J.P. Gardner (GSFC) We present the
analysis of the morphology of star-forming galaxies using the
Great Observatories Origins Deep Survey done with the Hubble
Space Telescope. These objects are characterized by single,
double or multiple clumps. Their morphology, sizes and their
environment can be used to test the current models of galaxy
formation. The evolutionary path that these faint galaxies take
to become today's galaxies remains largely unknown. These clumps
are bluer and fainter than Lyman break galaxies but of
comparable sizes, have spectral types of starbursts and
photometric redshifts < 3. We will discuss their properties and
role in galaxy evolution. These objects can be (i) dwarf
galaxies having strong bursts of star-formation, (ii) the
building blocks or sub-units which will merge to form larger
galaxies or (iii) clumpy star-forming regions in disks. Previous
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