Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Astronomy #2
Test 2
| Question | Answer |
|---|---|
| 95% of things learned about ss are learned from? | vision |
| full moon always rises | when sun sets |
| Mercury | -cratered, remains due 2 no atmosphere -drastic temp change due 2 no atmosphere -closest to sun but not hottest -scarps on surface(not from geo activity) *compression of crust *not much geo here, needs hot interior *geo old, due 2 low geo activity |
| Venus | -brightest thing in sky(not moon/sun) -lots of CO2, runaway/greenway effect -sulfuric acid rain -rotates slowest (opposite) *no coreolis effect=no spiral storms *200mph winds cause surface change -geo young (erosion from rain, volcanos) -mostly CO2 |
| Mars | -Argon=noble gas (tells us about abundance in early martian atmosphere)(thicker) -biggest volcano in ss (olympus mons) *missouri, not active for millions of years -a lot of geo features -young -water erosion evidence (flow at some point) #moon not r |
| Inner Planets | smaller, shorter orbits hotter, rocky |
| Outer Planets | 5AU away until first one gaseous -have rings |
| Jupiter | -has more mass than all planets combined -gives off more energy than it takes *more mass=more heat -rotates more than 2X times faster than Earth -Galilean moons(oceans except io) |
| JMoon #1 (Callisto) | -furthest moon -erosion(sublimation) -tidally heated the least by Jupiter SUBLIMATION=solid turns to gas |
| JMoon #2 (Ganymede) | -second furthest -tidal heating stretches surface, causing ice to freeze & unfreeze |
| Jmoon #3 (Europa) | -freeze/unfreeze -possible salt water ocean under ice -hospitable |
| Jmoon #4 (Io) | -closest to jupiter -active sulfur geyser volcano *interacts with Jupiter magnetic field *gives aurora at poles (only moon to not have ocean) |
| Saturn | -famous rings *best theory: a moon approached Roche limit |
| SMoon (Titan) | -thicker than Earths atmosphere -has nitrogen -has methane at triple point *contains DNA traces |
| Uranus | -has rings -tilted almost 90 degree from orbit *took moons with it *maybe big collision (anomaly) |
| Neptune | -knew where to look for it before found *something was perturbing uranus' orbit, wobbling it. -about same rate of rotation as earth |
| Nmoon (Triton) | -more methane in atmosphere than mars |
| Pluto | -out of plane of ss, tiny -predicted by Bode's law |
| Bode's Law | -math relation to predict location of planets from the sun -kuiper belt |
| Formation of galaxy | -supernova caused kick to start gravitation -hydrogen fuses with helium -Jupiter has most angular momentum -ice and gases get pushed out -pieces of similar material morph together -hydrogen is most common element in universe |
Created by:
jp_Salas
Popular Physics sets