The week in pictures: January 26 ò?? February 1, 2013
In the past seven days, Venus Express discovered that our sister planetò??s ionosphere balloons out like a cometò??s tail, the Herschel Space Observatory captured cool new images of Andromeda Galaxy, and Cassini watched a Saturn storm choke on its own tail, and more.
Published: Friday, February 01, 2013
NASA joins ESAò??s "dark universe" mission
The mission will study the evolution of our universe and the dark matter and dark energy that influence its evolution in ways that still are poorly understood.
Learn more ÒËMars rover Curiosity uses arm camera at night
Scientists used the rover's Mars Hand Lens Imager instrument for a close-up nighttime look at a rock target called Sayunei.
Learn moreÒšÒËWhen a planet behaves like a comet
Venus Express has discovered that our sister planetò??s ionosphere balloons out like a cometò??s tail on its nightside.
Learn more ÒËX-ray: NASA/CXC/Univ of Michigan/A.E.Jaskot, Optical: NOAO/CTIO/MCELS
Stellar effervescence on display
DEM L50 gives off about 20 times more X-rays than expected from standard models for the evolution of superbubbles.
Learn more ÒËESA/NASA/JPL-Caltech/NHSC
Cool new views of Andromeda Galaxy
The Herschel Space Observatory captures two infrared images of the spiral galaxy.
Learn more ÒËPlanetary nursery's mass pinned down
The Herschel Space Observatory shows a much larger mass for TW Hydraeò??s disk than in previous studies, indicating that the system could be forming planets similar to those of our solar system.
Learn more ÒËNASA Mars Reconnaissance Orbiter
Fossilized remains of underground cracks suggest water flowed beneath martian surface
Researchersò?? findings support the idea that Marsò?? subsurface environment once had an active hydrology and could be a good place to search for evidence of past life.
Learn more ÒËNASA/JPL-Caltech/SSI/Hampton University
Cassini watches Saturn storm choke on its own tail
This is the first time scientists have observed a storm consume itself like this anywhere in the solar system.
Learn more ÒË