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

Author Question: Collisions between galaxies: A) are much rarer than collisions between stars. B) can turn ... (Read 90 times)

Yi-Chen

  • Hero Member
  • *****
  • Posts: 550
on: Jul 27, 2018
Collisions between galaxies:
 
  A) are much rarer than collisions between stars.
  B) can turn elliptical galaxies into spirals.
  C) cause large numbers of stars to collide and explode.
  D) cause the gas and dust clouds to collide, leading to rapid star formation.
  E) are the best explanation for gamma-ray burst events.

Question 2

Why are summers hotter than winters? Relate this to the Sun's position in the celestial sphere and the length of the days.
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ttt030911

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

The Sun is 47 degrees higher in the noon sky for northern hemisphere observers in June than in December, and also gives several extra hours of daylight as well.


Yi-Chen

  • Hero Member
  • *****
  • Posts: 550
Reply #2 on: Jul 27, 2018
TY


ttt030911

  • Sr. Member
  • ****
  • Posts: 315
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
Plotting the Ages of Stars Plotting the Ages of Stars
Mass Exchange Between Close Binary Stars Mass Exchange Between Close Binary Stars
Elliptical Galaxies Elliptical Galaxies
Occipital press. Sitting at the recipient’s head, turn the head slightly to the left. Using the ... Occipital press. Sitting at the recipient’s head, turn the head slightly to the left. Using the ...
The helix-turn-helix regulatory protein motif The helix-turn-helix regulatory protein motif
Video: Cellular defenses (natural killer cells, phagocyte types & process of phagocytosis)

For a complete list of videos, visit our video library