By Paul Scott Anderson, on November 3rd, 2015
False-color mosaic of Cumberland Ridge, with pie charts representing iron-bearing mineralogy. Image Credit: S. Cole, PhD thesis; background image: NASA/JPL/Cornell/Arizona State University; Moessbauer values from Morris et al. 2008 (doi: 10.1029/2008JE003201)
The various rover and lander missions on Mars have provided unprecedented glimpses into the planet’s past, including geological history and environmental conditions. In […]
By Paul Scott Anderson, on October 8th, 2015
The blue skies of Pluto, as seen in this image from New Horizons. Pluto is backlit by the Sun, revealing the multilayered hazes in the atmosphere. Soot-like particles in the atmosphere scatter sunlight in a way that the atmosphere appears blue, similar to what happens on Earth. Image Credit: NASA/JHUAPL/SwRI
As new images and […]
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By Paul Scott Anderson, on September 22nd, 2015
Sequence of images showing the surface changes in the Imhotep region. Image Credit: ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA
Since August 2014, the Rosetta spacecraft has been orbiting Comet 67P/Churyumov-Gerasimenko, providing an unprecedented look at an active comet as it moves closer to the Sun in its orbit. As expected, the level of activity increased […]
By Paul Scott Anderson, on June 11th, 2015
Image of the Phoebe ring taken in 2009, overlaid in tan colors. The ring is much larger than Saturn’s other more visible rings and is also tilted with respect to the other rings. Image Credit: NASA/JPL/U. Virginia
Saturn is truly the “Lord of the Rings” and one of the most majestic places in the […]
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By Paul Scott Anderson, on December 24th, 2014 Artist’s conception of an ocean-covered aquaplanet. Image Credit: Christine Daniloff/MIT
With so many exoplanets now being discovered on a regular basis by astronomers, the focus has turned to what number of them might be habitable for some kind of life. For life as we know it at least, that depends on a number of […]
By Paul Scott Anderson, on October 7th, 2014 View from Cassini of the huge polar vortex cloud over Titan’s south pole. Image Credit: NASA/JPL-Caltech/ASI/University of Arizona/SSI/Leiden Observatory and SRON
Titan is the only moon in the Solar System known to have a dense atmosphere, and while similar to Earth’s atmosphere in some ways, such as being rich in nitrogen, it also holds […]
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