We don't have many detailed photographs of Venus' surface, either from orbiters and/or landers. Explain why that is the case. Then, briefly explain the type of data/observation that has allowed astronomers to map the surface of Venus.

Q: What did I say is a safe temperature for ice crystal formation (snowflakes)?  The prime snow growth ...

A: Snowflakes formation depends on air temperature and humidity. In general, snow forms when the temper...

Q: How do I find the contour interval to a topographic map?

A: A contour line is an imaginary line that connects regions of equal elevation on a topographic map. A...

Q: Discuss 1 advantage and 1 disadvantage of the fast permeability rate.

A: Permeability refers to a medium's ability to transmit a fluid (usually water) flowing through the me...

Q: Which single disaster could kill the most people—a flu pandemic, an earthquake, or a hurricane?

A: All three are types of natural disasters. An earthquake is a terrestrial phenomenon, a hurricane is ...

Q: Detrital type rocks are                 rocks that are chiefly composed of              .

A: Sedimentary rocks are of three types: Clastic (detrital) sedimentary rocks   Biogenic (biochemical)...

Q: What are the ecological consequences of cutting forests and burning them?

A: The removal of the forest from the land by cutting or burning them is known as Deforestation.  Defor...

Q: What four factors combine to produce lahars?

A:  A lahar is a violent type of volcanic mudflow or debris flow consisting of pyroclastic material, ro...

Q: After freeing zircon crystals from an igneous rock, how could you determine when the rock formed (so...

A: Minerals that make up igneous rocks sometimes incorporate trace quantities of radioactive elements. ...

Q: Why are fires in cities so commonly associated with major earthquakes?

A: Fires are a recognized hazard associated with earthquakes, especially in cities and industrial areas...

Q: What is the energy source of: (a) everyday waves at the beach? (b) tidal waves? (c) tsunami?

A: The energy source of everyday waves at the beach is derived from the friction between wind and surfa...

Q: How does explosiveness vary between magmas that have a low versus a high weight % content of water?

A: The amount of silica, water and other gases contained in the magma are key to determining its explos...

Q: Pahoehoe and AA 1. Compare the specific compositions and textures of the two materials you have been...

A: Basaltic lava erupts from a volcano and as it cools on its way downhill, it tends to produce differe...

Q: Suppose you are hiking in the mountains of Utah and find a fossil of an animal that lived on the oce...

A: The Mississippian Period is named after coal bearing sediments found in the Mississippi River valley...

Q: What are the population doubling times given these annual growth rates: Africa, 2.4%; world, 1.2%?

A: If the N0 , initial population at time, t = 0 is 1 then the N, double of population at time, t is 2....

Q: What average speed, in centimeters/year has the Pacific plate been moving for the past 5 million yea...

A:   As location of hotspot remains fixed relative to plate motion and also Hawaiian big island is loca...

Q: How do the ages vary along a line of subduction-zone volcanoes compared to a line of hot-spot volcan...

A: Hot spot volcanoes are characterized by an age progression depending on the distance from the source...

Q: As the depth to a hypocenter increases, how does that affect surface shaking?

A: The hypocenter is the point below the Earth's surface where fault ruptures leading to an earthquake ...

Q: Where are the oldest known Earth rocks found? How old are they?

A: In Canada, the earth's oldest rocks are found.