Astro.U3.Q2

The high temperatures on Venus' surface are a result of

• how close Venus is to the sun.
• the sulfuric acid in the atmosphere.
• its extremely long days.
•   the runaway greenhouse effect.

What is the name of the highest and largest volcano in the solar system? 

• Vallis Marinaris
• Mount Everest
• Mount Vastichock
• Olympus Mons

How is Mercury different from the other Terrestrial planets?   

• It has volcanoes on its surface
• It has water on its surface
• It is airless and barren
• It has two moons

Which of the Terrestrial planets has at least one moon?  

• Earth & Mars
• only the Earth
• Earth, Mars & Venus
• all of them

Which of the following is NOT something that the Terrestrial planets all have in common?               

• they are lacking atmospheres
• they are lacking a ring system
• they are small
• they have few or no moons

Why doesn’t Mercury have much of an atmosphere?

• It doesn’t have any volcanoes.  
  
• It doesn’t have any moons. 
  
• It is too far away from the sun.
• It is small.

What types of features dominate the surface of Venus?     

• dried up river beds
• oceans
• volcanoes
• impact craters

What is unique about Mercury’s core?    

• It is a very small percentage of its volume.
• It is a very large percentage of its volume.
• It is made of hydrogen gas.  
  
• It is not made of metals.

Mercury has extreme temperatures between night and day because...

• it is so close to the sun
• it has a very dense atmosphere
• it's oceans are hotter
• it has no atmosphere

What is the current accepted theory for how our Moon formed?

• Captured from an asteroid
• Big collision from a Mars-sized object with Earth
• simultaneously with Earth from space debris
• Pieces of Mercury entered our orbit