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

Author Question: A Kuiper Belt object was discovered that may be larger than Pluto. Indicate whether the statement ... (Read 88 times)

hubes95

  • Hero Member
  • *****
  • Posts: 561
on: Jul 27, 2018
A Kuiper Belt object was discovered that may be larger than Pluto.
 
  Indicate whether the statement is true or false

Question 2

How are rotation curves of spiral galaxies determined for distances beyond where starlight can be detected?
 
  A) by measuring the broadening of the galaxy's absorption lines
  B) by extrapolation of the measured rotation curve
  C) by observations of spectral lines emitted by dark matter
  D) by watching the galaxies rotate over a period of decades
  E) by observations of the 21 cm line of atomic hydrogen


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wilsonbho

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

E


hubes95

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


wilsonbho

  • Sr. Member
  • ****
  • Posts: 322
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Cade and colleagues discovered a way to improve athletic performance and prevent salt and water imba Cade and colleagues discovered a way to improve athletic performance and prevent salt and water imba
Active Genes Discovered In The Developing Mammal Brain Active Genes Discovered In The Developing Mammal Brain
Apply belt restraint Apply belt restraint
The site of Messel, Germany where Darwinius masillae was discovered. The site of Messel, Germany where Darwinius masillae was discovered.
Spot the hidden object Spot the hidden object
Example of Reconciling a Bank Statement Cont. Example of Reconciling a Bank Statement Cont.
Video: Calvin cycle (The light-independent reactions )

For a complete list of videos, visit our video library