(Phys.org) —The first observations of the complete magnetic cycle of a star other than the Sun are proving a puzzle to astronomers. Tau Boötis, known as Tau Boo (τ Boo), is a yellowish star that is a little brighter than ...
Astronomy
Jul 4, 2013
3
0
(Phys.org)—Measurements obtained with ESA's Venus Express spacecraft have shed new light on the interaction between the solar wind and the second planet from the Sun. During a rare period of very low density solar outflow, ...
Space Exploration
Jan 29, 2013
2
0
(Phys.org)—Spring is a dynamic season on the dunes surrounding Mars' north pole. When frozen carbon dioxide, or dry ice, deposited as a winter ice cap on Mars sublimates – changes directly from a solid to a gas – in ...
Space Exploration
Jan 24, 2013
0
1
(Phys.org)—Preliminary data from the Curiosity Mars Science Laboratory, presented at the European Planetary Science Conference on 28 September, indicate that the Gale Crater landing site might be drier than expected.
Space Exploration
Sep 28, 2012
3
0
(Phys.org)—Despite more than a century of observations, the orbit of the Martian moon Deimos is still not known to a high degree of accuracy, but a new study using images taken by ESA's Mars Express orbiter has provided ...
Space Exploration
Sep 24, 2012
0
0
(Phys.org)—NASA's Mars Reconnaissance Orbiter data have given scientists the clearest evidence yet of carbon-dioxide snowfalls on Mars. This reveals the only known example of carbon-dioxide snow falling anywhere in our ...
Space Exploration
Sep 12, 2012
0
0
(Phys.org)—Posing for portraits for NASA's Cassini spacecraft, Saturn and its largest moon, Titan, show spectacular colors in a quartet of images being released today. One image captures the changing hues of Saturn's northern ...
Space Exploration
Aug 30, 2012
1
0
(Phys.org) -- Less than three weeks after its last visit to the Saturnian moon Enceladus, NASA's Cassini spacecraft returns for an encore. At closest approach on April 14, the spacecraft will be just as low over the moon's ...
Space Exploration
Apr 16, 2012
1
0
The light scattered off distant worlds could help reveal details about their atmospheres that no other method could uncover, scientists find.
Astronomy
Feb 20, 2012
0
0
(PhysOrg.com) -- NASA's Aquarius instrument has successfully completed its commissioning phase and is now "tasting" the saltiness of Earth's ocean surface, making measurements from its perch in near-polar orbit.
Space Exploration
Sep 2, 2011
2
0
