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A.G. Riess (STScI/JHU), PANS Team
Type Ia supernovae (SNe~Ia) provide the only direct evidence for an accelerating universe and the existence of dark energy. We are in the third year of the first space-based search and follow-up program to find SNe Ia at z>1 using the Hubble Space Telescope to further explore the kinematics of the expanding Universe and to characterize the nature of Dark Energy.
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Bulletin of the American Astronomical Society, 37 #4
© 2005. The American Astronomical Soceity.