Author Question: You are on the surface of an object, and you have a fairly clear view out into space. Unfortunately, ... (Read 71 times)

james9437

  • Hero Member
  • *****
  • Posts: 568
You are on the surface of an object, and you have a fairly clear view out into space. Unfortunately, you are also very squashed. The light you observe from distant objects is slightly blueshifted.
 
  The surface of the object is composed primarily of carbon and oxygen, and the distance to the horizon seems about the same as that on Earth. By observing the sky for a few weeks, you realize that there are several planets orbiting your object. Where are you?
  A) You are on the surface of a neutron star.
  B) You are on the surface of the Earth.
  C) You are on the surface of a planet that is somewhat more massive than the Earth.
  D) You are on the surface of a white dwarf.
  E) You are on an accretion disk around a black hole.

Question 2

A star may undergo two or more red giant expansion stages.
 
  Indicate whether the statement is true or false



xMRAZ

  • Sr. Member
  • ****
  • Posts: 363
Answer to Question 1

D

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

For a complete list of videos, visit our video library