Latest Caloris Basin Stories
The solar system's innermost planets are about to put on a beautiful show.
As NASAâ€™s MESSENGER spacecraft prepares for its second flyby of Mercury, new analyses of data from the first flyby will be presented at the European Planetary Science Congress in MÃ¼nster on Tuesday 23rd September.
Scientists have argued about the origins of Mercury's smooth plains and the source of its magnetic field for more than 30 years.
The surprises continue. Scientists studying the harvest of photos from the MESSENGER spacecraft's Jan. 14th flyby of Mercury have found several craters with strange dark halos and one crater with a spectacularly shiny bottom.
After a journey of more than 2.2 billion miles and three and a half years, NASAâ€™s MESSENGER spacecraft made its first flyby of Mercury on January 14, 2008. All seven scientific instruments worked flawlessly, producing a stream of surprises.
"Discoveries are at hand!" That's what members of the MESSENGER science team are saying after their spacecraft flew past Mercury on Jan. 14th at a distance of only 124 miles.
Planetary scientists have wondered for more than 30 years about what spacecraft images might reveal about the hemisphere of Mercury that Mariner 10 never viewed.
NASA will return to Mercury for the first time in almost 33 years on January 14, 2008, when the MESSENGER spacecraft makes its first flyby of the Sunâ€™s closest neighbor, capturing images of large portions of the planet never before seen.
- Small missiles, especially grape, canister, fragments of iron, and the like, when fired, as upon an enemy at close quarters.
- To fire mitraille at.