Science Planets 1
Terms
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- no atomosphere (perhaps some helium)
- Mercury
- airless
- Mercury
- moves swiftest around the sun
- Mercury
- heavily created
- Mercury
- no weather so craters remain the same
- Mercury
- has plains form valcanoes long ago
- Mercury
- one of the hottest and coldest planets due to slow rotation
- Mercury
- radar singals lead scientist to believe there is ice
- Mercury
- called Earth's twin due to similar mass, diameter, and density
- Venus
- morning/evening star
- Venus
- thick cloud cover
- Venus
- sulfuric-acid and carbon dioxide clouds
- Venus
- rains sulfuric-acid
- Venus
- rain evaporates before reaching surface
- Venus
- hotter on surface than Mercury
- Venus
- has channel longer thatn the Nile (no water, deeper than Grand canyon)
- Venus
- 90 times the surface pressure of Earth
- Venus
- sun rises in west and sets in east, retrograde rotation
- Venus
- day is longer than the year
- Venus
- CO2 the the atmosphere causes greenhouse effect
- Venus
- nights are as hot as the days
- Venus
- few craters due to atmospheric pressure
- Venus
- a.k.a the red planet
- Mars
- red soil due to iron oxide-rust
- Mars
- CO2 atmosphere
- Mars
- 2 moons: Phobos and Deimos
- Mars
- has Olympus-the largest known volcano in our solar system
- Mars
- surface is rocky and cratered
- Mars
- probes today are looking for water in rocks
- Mars
- no liquid water
- Mars
- norther ice cap-frozen water
- Mars
- southern ice cap-frozen CO2
- Mars
- has Valles Marineris-canyon
- Mars
- winds causing dust storms are common
- Mars
- thin CO2 atmosphere does not retain heat
- Mars
- a.k.a minor planets
- asteroid belt
- ceres is the largest asteroid
- asteroid belt
- may have lead to extiction of dinosaurs
- asteroid belt
- matter that failed to form planets due to Jupiter's gravitational pull
- asteroids
- most are small
- asteroids