Ciencia-Física

  “The MAVEN science mission focuses on answering questions about where did the water that was present on early Mars go, about where did the carbon dioxide go,” said Bruce Jakosky, MAVEN principal investigator from the University of Colorado,...

    Researchers have made an important step in the race to discover whether other planets could develop and sustain life. New findings published today in the journal Astrobiology shows the vital role of oceans in moderating climate on Earth-like...

 

"We see evidence that liquid water flowed over the surface early in history in a way that doesn't happen today,” said Bruce Jakosky, MAVEN’s principle investigator.

Ya está disponible el audio del podcast de Eureka, mi sección en La Rosa de los Vientos de Onda Cero. Como siempre, una transcripción, unos enlaces y algunas imágenes.
Varios cuerpos del Sistema Solar parecen contener océanos subterráneos.

The Earth’s ancient oceans held much lower concentrations of sulfate—a key biological nutrient—than previously recognized, according to research published this week in Science.

People standing on a beach often feel the water tugging the sand away from under their feet. This is the undertow, the current that pulls water back into the ocean after a wave breaks on the beach.

 
 
The idea has been hotly debated among scientists for the past 20 years, ever since Viking Orbiter images revealed possible ancient shorelines near the pole.