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Question
A star named Astrix is observed to have planets. You are interested in finding out if these planets may be suitable for life. Astrix is a 2 solar mass star. Its luminosity 8.5 times that of the Sun and you can calculate its radius from the StefanBoltzmann formula showed in class, knowing also that its surface temperature is about 8500K. One of the planets you observe is found by the transit method. The flux from the star dips at a level 10^-4 (that is 1/10,000) times lower than its normal level. You wait to observe a second transit, and it happens after 4.5 years. Do you think that such planet may be suitable for life as we know it on our planet? Assume that the greenhouse effect may range between 10 K to 70 K as the C-cycle tries to keep the actual surface temperature of the planet in equilibrium (see C-cycle).
To calculate temperature, you can use the albedo of Earth, A=0.33.
Discuss the specific connections between economic development and imperialism in the latter half of the 20th century.
Explain immigration to America during the half of 19 th century
American Society in the Making
Some historians considered the industrialists of the late 19th Century to be captains of industry while others considered them robber barons. Which view do you believe to be correct and why.
Explain the significance of the transition of humankind from a hunter-gatherer society to a food-producing society. Include the following: A description of the Paleolithic era
Tombs and Monuments: Compare an aspect of the tomb of Emperor Shihuangdi with the burial tombs of other cultures, such as Egypt or Mesopotamia. Explain whether you think the emperor's elaborate tomb was motivated by power or religious beliefs.
Can anyone educate me regarding one distinct Mesopatamian and one Egyptian female and their accomplishments?
What are the characteristics of the first civilizations of 5000 years ago? Especially in Mesopotamia.
Determine why Mesopotamia was so vulnerable.
Some have said that the strength and endurance of the Empire and the regular, dependable recurrence of the Nile flood gave the artists-craftsmen a sense of consistency that profoundly influenced the nature of their artistic creations.
What are the characteristics of the first civilizations of 5000 years ago( especially in the Mesopotamia)? what makes these groups "civilized" as opposed to prehistoric peoples?
Cultures of Mesopotamia, especially Summer, and Egypt. How cultures change over time.
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