Asteroid Toutatis Slowly Tumbles by Earth

Scientists working with NASA’s 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, Calif., have generated a series of radar data images of a three-mile-long (4.8-kilometer) asteroid that made its closest approach to Earth on Dec. 12, 2012. The radar data images of asteroid Toutatis have been assembled into a short … Seguir leyendo / Continue reading


Share

NASA Probes Prepare for Mission-Ending Moon Impact

Twin lunar-orbiting NASA spacecraft that have allowed scientists to learn more about the internal structure and composition of the moon are being prepared for their controlled descent and impact on a mountain near the moon’s north pole at about 2:28 p.m. PST (5:28 p.m. EST) Monday, Dec. 17. Ebb and … Seguir leyendo / Continue reading


Share

NASA’s Hubble Provides First Census of Galaxies Near Cosmic Dawn

Using NASA’s Hubble Space Telescope, astronomers announced Dec. 12 they have seen further back in time than ever before and have uncovered a previously unseen population of seven primitive galaxies that formed more than 13 billion years ago, when the universe was less than 3 percent of its present age. … Seguir leyendo / Continue reading


Share

New Forecast System Helps Transoceanic Flights Avoid Storms

A new NASA-funded prototype system developed by the National Center for Atmospheric Research (NCAR) of Boulder, Colo., now is providing weather forecasts that can help flights avoid major storms as they travel over remote ocean regions. The eight-hour forecasts of potentially dangerous atmospheric conditions are designed for pilots, air traffic … Seguir leyendo / Continue reading


Share

La Voyager 1 se acerca al espacio interestelar

A 18 mil millones de kilómetros (11 mil millones de millas) de distancia de la Tierra, la sonda espacial Voyager 1, de la NASA, ha entrado en una «carretera magnética» que conecta nuestro sistema solar con el espacio interestelar. Este podría ser uno de los últimos pasos de Voyager en … Seguir leyendo / Continue reading


Share

El nivel del mar ha subido 11,1 milímetros en la Antártida y Groenlancia

Entre 1992 y 2011 el derretimiento de las capas de hielo en la Antártida y en Groenlandia ha provocado un aumento del nivel del mar de 11,1 milímetros, según los resultados de una investigación que publica esta semana Science. Para llevar a cabo el estudio se han utilizado los datos de hasta … Seguir leyendo / Continue reading


Share