Author Question: Based on our current knowledge of the motions of Uranus and Neptune, it is obvious that Pluto's ... (Read 58 times)

jazziefee

  • Hero Member
  • *****
  • Posts: 505
Based on our current knowledge of the motions of Uranus and Neptune, it is obvious that Pluto's discovery was a triumph of physics, on par with Adams and Leverrier's work in finding Neptune.
 
  Indicate whether the statement is true or false

Question 2

You find yourself in a very low-density gas that is extremely hot. In fact, the temperature of the gas is so high that it is emitting lots of X-rays.
 
  There are no stars anywhere within about 10,000 light-years of you, but at slightly greater distances, your sky is brightened by hundreds (perhaps thousands) of beautiful, star-filled structures, some with majestic spiral shapes. Where are you?
  A) You are in the universe about 380,000 years after the Big Bang when the cosmic microwave background radiation was formed.
  B) You are in intergalactic space within a rich cluster of thousands of galaxies.
  C) You are in the center of the Milky Way Galaxy, looking outward into the Local Group.
  D) You are in the universe when it was about 500 million years old, just before galaxies began to form.
  E) You are in the outskirts of a galaxy whose nucleus is a powerful quasar.



vickybb89

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

FALSE

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

For a complete list of videos, visit our video library