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... their formation. Astronomers did not know before the new study whether the disk around TW Hydrae contained enough material to form new planets similar to our own. Before, we had to ... fresh look at the disk with the space telescope to analyze light coming from TW Hydrae and pick out the spectral signature of a gas called hydrogen deuteride. Simple hydrogen molecules ... other stars, said Glenn Wahlgren, Herschel program scientist at NASA Headquarters in Washington. Whether TW Hydrae's large disk will lead to an exotic planetary system with larger and more numerous ...

... a mysterious gap in a vast protoplanetary disk of gas and dust swirling around TW Hydrae. The gap is 1.9 billion miles wide and the disk is 41 billion miles ... grow through the slow accumulation of smaller debris. Complicating the story further is that TW Hydrae is only 55 percent as massive as our sun. It's so intriguing to see ... theories as to how you can actually form a planet very far out." The TW Hydrae disk also lacks large dust grains in its outer regions. Observations from the Atacama Large ...

... official naming of Pluto’s newest small moons—Nix and Hydra, names from Greek mythology. The HST had discovered Nix and Hydra, previously known as S/2005 P1 and S/2005 P2 ... January 2006 toward the Pluto system. Scientists expected that New Horizons would map Nix and Hydra in detail when the spacecraft flew by Pluto in summer 2015. ''Kenneth Chang, “Moons of ... Renamed,” New York Times, 23 June 2006; NASA, “Pluto and Its Moons: Charon, Nix and Hydra,” 23 June 2006, http://www.nasa.gov/mission_pages/hubble/plutos_moons_prt.htm (accessed ...

... million years old and located about 175 light-years away from Earth, in the constellation Hydra. The frigid watery haze detected by Hogerheijde and his team is thought to originate from ... is a testament to the instrument-builders that such weak signals can be detected." TW Hydrae is an orange dwarf star, somewhat smaller and cooler than our yellow-white sun. The ... they contain on freshly created worlds through impacts, giving rise to oceans. Astronomers believe TW Hydrae and its icy disk may be representative of many other young star systems, providing new ...

... of the Pluto system, which includes four other moons: Nix, Hydra, Styx and Kerberos. A new sneak-peek image of Hydra is the first to reveal its apparent irregular shape and its ... to be about 27 by 20 miles (43 by 33 kilometers). The observations also indicate Hydra's surface is probably coated with water ice. Future images will reveal more clues about ...

... Joint Chiefs of Staff, writing in the Washington Times, suggested that using a floating, or "Hydra," launch system would massively lower the cost of space launches for commercial concerns and break ... can be preempted by government launches. He noted that the Soviet Navy had used the Hydra technique to launch its nuclear armed ballistic missiles from submarines for more than 25 years ...

... for Pluto’s small moons. Pluto’s small lunar satellites are spinning much faster, with Hydra -- its most distant moon -- rotating an unprecedented 89 times during a single lap around the ... with, in order from closest to farthest orbit, its moons Charon, Styx, Nix, Kerberos and Hydra. Credits: NASA/JHUAPL/SwRI/M. Showalter “Pluto’s moons behave like spinning tops,” said co ...

... analyzing the first close-up images of Pluto’s small moons—Styx, Nix, Kerberos and Hydra. Discovered between 2005 and 2012, the four moons range in diameter from about 25 miles (40 kilometers) for Nix and Hydra to about six miles (10 kilometers) for Styx and Kerberos. Mission scientists further observed that ...

... attributed to the use of a specified heat treatment that did not provide optimum stress cor­rosion resistance for the specific stainless steel alloy used. The defective parts were replaced with ...

... Sm.)'' NASA Aerobee 150 MI sounding rocket launched from White Sands Missile Range WSMR carried Cor­nell Univ. experiment to 106-mi ''(170.6-km)'' altitude to study far in­frared ...

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