This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is the Fermi Paradox? A) Galactic civilizations, like ours, seem forbidden by the laws of ... (Read 154 times)

storky111

  • Hero Member
  • *****
  • Posts: 561
on: Jul 27, 2018
What is the Fermi Paradox?
 
  A) Galactic civilizations, like ours, seem forbidden by the laws of physics.
  B) Interstellar travel is possible yet would take an infinite amount of time because of relativistic time-dilation.
  C) Reasonable assumptions predict that a galactic civilization should have already arisen in the Milky Way. Yet, we have absolutely no evidence for it.
  D) The Drake equation predicts that there should be no intelligent life in the Milky Way. Yet, we exist.
  E) We would be unable to detect an Earth-like planet even at a distance of a few light years.

Question 2

Uranus and Neptune have methane clouds but Jupiter and Saturn do not. Which factor explains why?
 
  A) The stronger gravity on Jupiter and Saturn pulls methane downward so that it can't form clouds.
  B) Jupiter and Saturn do not contain any methane gas.
  C) The rapid rotation of Jupiter and Saturn prevents methane clouds from forming.
  D) Temperatures on Jupiter and Saturn are too high for methane to condense.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ambernicolefink

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

D


storky111

  • Hero Member
  • *****
  • Posts: 561
Reply #2 on: Jul 27, 2018
Thanks


ambernicolefink

  • Sr. Member
  • ****
  • Posts: 359
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Incomplete Dominance Follows Mendel's Laws Incomplete Dominance Follows Mendel's Laws
Potential Constitutional Challenges to Loitering, Panhandling, and Sit-Lie Laws Potential Constitutional Challenges to Loitering, Panhandling, and Sit-Lie Laws
Supermassive Black Holes as Engines for Galactic Activity Supermassive Black Holes as Engines for Galactic Activity
In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai
Population of Major Civilizations of Europe, Asia, and Africa, AD 1500 Population of Major Civilizations of Europe, Asia, and Africa, AD 1500
How to use the laws of exponents to simplify an expression (Part 1) How to use the laws of exponents to simplify an expression (Part 1)
Video: Hierarchical Sequencing Method - Sequence Tagged Sites

For a complete list of videos, visit our video library