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 136 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?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

An example of a two-component regulatory system in bacteria An example of a two-component regulatory system in bacteria
A rocky shore at low tide, showing the great abundance that can be attained by populations of intert A rocky shore at low tide, showing the great abundance that can be attained by populations of intert
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
Barred Spiral Galaxies Barred Spiral Galaxies
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 ...
Video: Digestive chemicals - types & enzymes

For a complete list of videos, visit our video library