Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
40 Cards in this Set
- Front
- Back
|
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
|
