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;
48 Cards in this Set
- Front
- Back
Almost all geological features on Venus have ______ names. |
Feminine |
|
Because of Mercury's lower gravity, ejecta from a meteorite covers of its surface. |
False |
|
Because the moon has a low average density and no magnetic field, then its dense core must be _____. |
Small |
|
Debris blasted from the impact of a crater is called |
Ejecta |
|
During which stage of planetary development did the lunar Maria form? |
Flooding |
|
How did mars get its two moons? |
Mars captured asteroids from the asteroid belt. |
|
How did the Martian soil become so heavily oxidized, give it the reddish hue? |
Iron oxides in its soil. |
|
How is it that Earth has Less CO2 in its atmosphere than venus, even though both planets likely outgassed about the same amount of CO2 during their devolpment? |
Earth absorbed most of the CO2 unti is oceans. |
|
Large, smooth, dark plains on the moon are called _____. |
Maria |
|
Lobate scraps are very low and small disturbances on the surface of Mercury. |
False |
|
Mars has two moons, phobos and Deimos |
True |
|
Martian Volcanoes are _____ volcanoes with gradual slopes. |
Shield |
|
Mercury completes one orbit around the sun in 8 days. |
False |
|
Mercury's _____ are marked by meteorite craters less than 15 km in diameter, in addition to secondary craters. |
Intercrater plains |
|
Mercury is still geologically active today |
False |
|
Never reached the moon and had to return to Earth. |
Apollo 13 |
|
How often does venus rotate on its axis? |
243 Earth days |
|
How does venus release its interior heat |
Through large convection currents of hot magma that rise beneath its crust |
|
Where is Caloris Basin |
Mercury |
|
Phobos and deimos are believed to be captured _____. |
Asteroids |
|
Shield volcanoes, like those on venus and mars, occur _____. |
Over a hot spot |
|
Studies have shown that the ice located in the south pole of mars is mostly ______. |
CO2 |
|
The moon's crust is thicker on the side facing Earth. |
False |
|
The air on mars is 95% nitrogen and argon |
False |
|
The lunar rocks brought back by the apollo astronauts contained a surprisingly large amount of water. |
False |
|
The very large size of Olympus Mons indicates that mars has _____. |
No plate tectonics |
|
What are coronae on the surface of venus |
Feature left by rising convection currents |
|
What are sinuous rilles found on the lunar surface? |
Channels cut by flowing lava on the edge of the maria |
|
What does maria mean? |
Seas |
|
What evidence is there to prove that there has been no tectonic movement on mars? |
The huge size of the Martian volcanoes |
|
What is significant about Olympus mons? |
It is the largest volcano in the Solar System. |
|
What is the current dominant geological process on Mars? |
Wind erosion |
|
Ehat keeps water frozen on mars? |
Low atmospheric pressure of the planet |
|
What is the largest impact crater on mercury? |
Calories Basin |
|
Where did apollo 11 Lunar module land and sample. |
Mare Tranquillitatis |
|
Which best describes Mercury's plains? |
Solidified lava flows that are a uniform gray color |
|
Which characteristic of venus has led many to call it the "sister planet" to Earth? |
Venus is almost the same size as Earth. |
|
Which is a characteristic Venus shares with Earth? |
Both planets are still geologically active |
|
Which is a unique characteristic of Venus not shared by the other Terrestrial planets? |
The planet experiences retrograde rotation. |
|
Which of the following is the oldest geological feature of the moon? |
Highlands |
|
Which statement best describes the greenhouse effect? |
Infrared radiation is trapped by the atmosphere. |
|
What are there no small craters on the surface of venus? |
The thick atmosphere protects the surface from small meteorites. |
|
With no water and a thick, slow-moving lower atmosphere, there is little erosion on venus |
True |
|
Closest to the sun |
Mercury |
|
Displays retrograde motion |
Venus |
|
Has a large sense core |
Mars |
|
Has found water ice beneath its surface with robotic missions |
Mars |
|
Possesses largest volcano in the solar system |
Marz |