Astronomy Unit Three Topic List 1
Home > Preview
The flashcards below were created by user
on FreezingBlue Flashcards.
compares the different natures of the eight planets in our solar system
Venus and Earth
Earth and Mars
What's unique about Mercury
It has almost no atmosphere and it's the fastest planet
Featured on Mars, enormous escarpments on surface
How long is a Mercury Year?
88 Earth Days
How long is a Mercury Day?
58.6 Earth Days
How long is a Sidereal day on Mercury?
58.65 Earth Days
How long is a Solar Day on Mercury?
176 Earth Days
Why is Venus an 'evil' twin of Earth?
It's similar to Earth in mass, radius, geology and chemistry but has a surface temperature so high it could melt lead
What kind of clouds on Venus?
The clouds are made of sulfuric acid droplets and they zip around the planet at 100m/s
Why does Venus have a high temperature?
The Greenhouse effect on its thick atmosphere
Carbon Abundances on Earth and Venus
Earth: Carbonate minerals(limestone)
Venus: Similar to Earth
Water Abundances on Earth and Venus
Venus has 10,000 times less water than Earth
What geo-surface features are seen on Venus?
What is Olympus Mons?
Tharsis-Greatest Volcanic region on Mars
Where is water on Mars?
Under the surface
What is interesting about Mars' moons, Phobos and Deimos?
They appear to have surface materials similar to asteroids, leading to believe that they are captured asteroids
What is the fate of Phobos and Deimos?
Phobos: Will either crash into Mars or break up into a ring
Deimos: As it revolves, the debris is re-deposited as a dusty layer on its surface
What would you like to do?
Home > Flashcards > Print Preview