Author Question: Astronomers now speculate that a galaxy's shape depends on all of the following except a. the ... (Read 32 times)

SGallaher96

  • Hero Member
  • *****
  • Posts: 509
Astronomers now speculate that a galaxy's shape depends on all of the following except
 
  a. the rate of star formation.
  b. the history of past collisions.
  c. the mass.
  d. All of the other choices may be important in determining a galaxy's shape.

Question 2

Main-sequence stars many times the mass of the Sun produce their energy by the set of nuclear reactions called the CNO cycle.
 
  a. True
  b. False
  Indicate whether the statement is true or false



morganmarie791

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

d

Answer to Question 2

True



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

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?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

For a complete list of videos, visit our video library