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Rosetta's comet is rich in deuterium

Wilson, R. Mark

The changing face of Titan

Lorenz, Ralph D.

Saturn's Dynamical Rings

Murray, Carl D.

Black Holes and Their Environments

Miller, Jon M.; Reynolds, Chris S.

Supernova distance measurements suggest an older, larger Universe.

Schwarzschild, Bertram

Three determinations of the Hubble constant from supernova observations are reviewed and compared to existing data on the age and size of the universe. Type-Ia supernovae are used as standard candles in all of the calculations, and the observations were made with the Hubble Space Telescope Wide-field and Planetary Camera. Hubble diagrams for the t…