| Term | Definition |
|---|
| Lowest Axial Tilt | Mercury |
| Largest Orbital Tilt | Mercury |
| Largest eccentricity | Mercury |
| Lowest Albedo | Mercury |
| Largest surface temp variation | Mercury |
| Double rimmed craters | When a meteor hits so hard it makes two rims only on mercury |
| Scarp | Only on mercury. Wrinkles on mercury caused because when the planet cooled it shrank |
| Caloris Basin | Violent impact that rippled the other side of the planet |
| Largest planet to core ratio | Mercury |
| Only planet with backwards rotation | Venus |
| Lowest eccentricity | Venus |
| Highest albedo | Venus |
| Hottest Surface Temp | Venus |
| Venus's atmosphere composed of | c02 Nitrogen and Sulfuric acid |
| Uniformitarianism | Surface of venus obtained with long periods of geologic activity |
| Catastrophism | Every so often entire crust melts to relieve heat buildup under crust |
| Shield Volcanoes | Reocurring eruptions in same location makes huge volcanoes |
| Caldera | Basin where lava comes from in a volcanoe |
| Lava domes | Magma forms hollow bubble on surface that crack after the magma leaves only on venus |
| Corona | Pressure from magma under crust pushes against the crust and raises ground |
| Planet that did not differentiate | Mars |
| Mars runoff channels | Looks like dried up rivers |
| Mars outflow channels | Huge volumes of water flowing from southern to northern hemisphere |
| Splosh Craters | Ring of mud instead of ejecta around impact craters because it melts the permafrost and creates huge central peaks only on mars |
| Mars northern cap | Mostly residual cap made of frozen water |
| Mars southern cap | Mostly Seasonal cap made of dry ice that sublimes |
| Tharsis bulge | Large plateau on mars |
| Olympus Mons | Biggest volcanoe in solar system on mars |
| Valies Marindis | Huge grand canyon on mars |
| Mars two moons | Phobos and Deimos |
| Lowest day to night temperature change | Venus |
| Evidence that Mars has or had water | Water in atmosphere, 2 kinds of water flows, permafrost, splosh craters, sink holes |
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