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 48 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 calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye
Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
Irregular Galaxies Irregular Galaxies
Gravitational Lensing of Extremely Distant Galaxies Gravitational Lensing of Extremely Distant Galaxies
Apply pincer pressure to TrPs in sternocleidomastoid (SCM) muscle. Turn head to side to expose SCM; ... Apply pincer pressure to TrPs in sternocleidomastoid (SCM) muscle. Turn head to side to expose SCM; ...
Pinch the sternocleidomastoid (SCM) muscle at points along its length. Turn head to side to expose ... Pinch the sternocleidomastoid (SCM) muscle at points along its length. Turn head to side to expose ...
Video: Carbohydrate Metabolism: Introduction to renal processes and filtrate formation and composition

For a complete list of videos, visit our video library