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 84 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?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

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?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

The recently discovered lleret calvaria from Kenya is the smallest H. erectus and shares many traits The recently discovered lleret calvaria from Kenya is the smallest H. erectus and shares many traits
Visual Object Agnosia Without Prosopagnosia Visual Object Agnosia Without Prosopagnosia
Backlit view of Pluto's mountains, plains and foggy hazes Backlit view of Pluto's mountains, plains and foggy hazes
Close-up of Pluto Close-up of Pluto
Correct position when lifting a heavy object off the floor. Correct position when lifting a heavy object off the floor.
An accessory belt tensioner. Most tensioners have a mark that indicates normal operating location. ... An accessory belt tensioner. Most tensioners have a mark that indicates normal operating location. ...
Video: Methods that regulate pH

For a complete list of videos, visit our video library