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

Author Question: All spiral galaxies have both a disk and spheroidal component to their stellar populations. ... (Read 126 times)

TFauchery

  • Hero Member
  • *****
  • Posts: 500
on: Jul 27, 2018
All spiral galaxies have both a disk and spheroidal component to their stellar populations.
 
  Indicate whether the statement is true or false

Question 2

Our best stellar parallax measurements to date come from
 
  A) observations made by astronauts.
  B) radio interferometry.
  C) the Keck telescope.
  D) the Hipparcos satellite.
  E) ground based measurements taken six months apart.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

peter

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

D


TFauchery

  • Hero Member
  • *****
  • Posts: 500
Reply #2 on: Jul 27, 2018
TY


peter

  • Sr. Member
  • ****
  • Posts: 330
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

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?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Formation of an Accretion Disk Formation of an Accretion Disk
Five Galaxies and Their Spectra Five Galaxies and Their Spectra
The age-dependent curve of salivary progresterone levels in three populations. The age-dependent curve of salivary progresterone levels in three populations.
Moderate to high physical activity in PE classes is one component of a successful prevention effort ... Moderate to high physical activity in PE classes is one component of a successful prevention effort ...
U.S. Hispanic and Asian Populations U.S. Hispanic and Asian Populations
Enlargement of spiral organ (organ of Corti) Enlargement of spiral organ (organ of Corti)
Video: Helper T cell receptors, activation, proliferation, differentiation & action

For a complete list of videos, visit our video library