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 116 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?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Muskox populations remain in the Arctic all year, though they migrate to higher elevations in the wi Muskox populations remain in the Arctic all year, though they migrate to higher elevations in the wi
Spiral Galaxies Seen Nearly Edge On from the Milky Way Spiral Galaxies Seen Nearly Edge On from the Milky Way
Interacting and Colliding Galaxies Interacting and Colliding Galaxies
Gravitational Lensing of Extremely Distant Galaxies Gravitational Lensing of Extremely Distant Galaxies
Head binding, or artificial deformation, was used by some populations as a sign of identity. Head binding, or artificial deformation, was used by some populations as a sign of identity.
The experimental system that permits observation of rotation in the F1 component of F1F0 ATP synthas The experimental system that permits observation of rotation in the F1 component of F1F0 ATP synthas
Video: Factors that increase metabolic rate and heat production

For a complete list of videos, visit our video library