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Mars Pathfinder - Science Results Directory (1764 words) |
 | The combination of spectral imaging of the landing area by the lander camera, chemical analyses aboard the rover, and close-up imaging of colors, textures and fabrics with the rover cameras offered the potential of identifying rocks (petrology and mineralogy). |
| The 3 instruments and rover allowed seven areas of scientific investigation: the geology and geomorphology of the surface, mineralogy and geochemistry of rocks and soils, physical properties of surface materials, magnetic properties of airborne dust, atmospheric science including aerosols, and rotational and orbital dynamics of Mars. |
| If the (iron-enriched) Shergottite meteorites are typical of the mantle composition, then the mantle must be warmer than Earth's (for the same pressure level) and the core radius must be larger than ~1300 km (but no larger than ~2000 km for other mantle compositions). |
| 1765: Information from Answers.com (3609 words) |
| The Stamp Act passed by Parliament March 22 is the first measure to impose direct taxes on Britain's American colonists, whom British troops have protected from the French at considerable expense (see 1764). |
| The Loyalist Howard responds to Stephen Hopkins's The Rights of the Colonies Examined (1765) and to Hopkins's retort in A Defense of the Letter from a Gentleman at Halifax to His Friend in Rhode Island. |
| The Philadelphia physician who founds the University of Pennsylvania's medical school in 1765 justifies his actions and describes a plan for medical instruction in America. |
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