Author Question: The elliptical galaxies are most like what part of our Milky Way? Explain. What will be an ideal ... (Read 63 times)

charchew

  • Hero Member
  • *****
  • Posts: 579
The elliptical galaxies are most like what part of our Milky Way? Explain.
 
  What will be an ideal response?

Question 2

Which of these age ranges best describes the lunar maria?
 
  A) 2.5 - 1.0 billion years
  B) 100 - 65 million years
  C) 8.6 - 6.0 billion years
  D) 3.9 - 3.2 billion years
  E) a few million years to present lava flows seen erupting



nmyers

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

They are all halo, with only Population II stars and poor in gas and dust. Also, their structure is somewhat spherical, like our halo, as well.

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

For a complete list of videos, visit our video library