Chapter 9 Flashcards
What do all terrestrial planets have roughly in common
They have similar densities and similar sizes
What is Mercury’s rotation rate
It’s day and year is in a 3:2 resonance. Rotates three times while going around the sun twice.
Does mercury have an atmosphere
No
Does Venus have an atmosphere
Yes, extremely dense.
Does mars have an atmosphere
Yes, similar to earth’s but very thin
What are the clouds of Venus made of
Sulfuric acid droplets with traces of water
What does mars and Venus atmosphere mainly consist of
Carbon dioxide
What is caloris basin
The largest crater on mercury almost 1300km in diameter
Can we find lava in mercuries old craters
Yes, it is congealed in many of them
What are scarps
They are cliffs that formed as mercury shrank and wrinkled like an apple
Is venus comparable to earth
In its mass and diameter but it’s surface and atmosphere are very different
What is the crown like structure on Venus called
The corona
What is Venus’s largest impact crater called
Mead
Does mars have polar caps
Yes it does
What is the tharsis bulge on mars
It is the size of North America and 10km above surroundings